Answer:
Decomposers mine them from the dead so that these recycled materials can feed the living. In the carbon cycle, decomposers break down dead material from plants and other organisms and release carbon dioxide into the atmosphere, where it's available to plants for photosynthesis
Explanation:
Answer:
Decomposers as you said break down dead plants and such, after that. The animal or plant turns into recycled materials that feed other organisms. They then release carbon dioxide into the air.
Explanation:
This is the role of a species in an ecosystem, consisting of such things as what it eats, when it eats, and where it lives.
Answer:
Your answer would be a NICHE.
Explanation:
when an animal in an ecosystem consisting of such things as what it eats, when it eats, and where it lives would be called a NICHE.
Answer:
niche
Explanation:
Why is peer review an important part of the scientific process?
(A.)
It permits scientists to have their work translated into other languages.
(B.)
It ensures that the quality of scientific research is maintained.
(C.)
It helps the scientist decide how to conduct the scientific investigation.
(D.)
It increases scientists’ knowledge about other disciplines of science.
I think B is the answer
Answer: B. It ensures that the quality of scientific research is maintained.
Explanation:
Peer review is the process of evaluation of research by people having similar study background and knowledge. It will be appropriately accomplished by experienced individuals. It involves studying the entire research writting by person other than the one who has done research. Such a person provides opinion and rectifies the mistakes. This process improves the quality of the research outcome.
Most combinations of different ABO alleles result in complete dominance of one allele. Which combination results in codominance?IAiIBiIAIBiieither IAi or IBi
Answer:
IAIB
Explanation:
In the genetics of ABO blood types, there is one locus I, with three types of alleles A, B and i. A is dominant over i, B is dominant over i, A and B are codominant. Possible genotypes are:
A blood type: IAIA and IAi
B blood type: IBIB and IBi
O blood type: ii
AB blood type: IAIB
What is the definition of inertia? A. The tendency of an object in motion to decelerate. B. The amount of force required to reach the speed of light. C. The rate at which an object accelerates. D. The tendency of a body at rest to stay at rest or of a body in motion to remain in motion.
Answer:
The answer is D
The correct definition of inertia is the tendency of a body at rest to stay at rest or of a body in motion to remain in motion. Thus, the correct option is D.
What is Inertia?Inertia is the property of matter which causes it to resist the changes in velocity or direction of motion. According to the Newton's first law of motion, an object with a given velocity maintains that particular velocity unless they are acted on by an external force. Inertia is the property of the matter which makes this law hold true.
It is the tendency of a body at rest to stay at rest or a body in motion to remain in motion unless and until an external force is applied on it.
An example of inertia is when the bus stops suddenly, people in the bus fall forward. When the driver of a bus applies brakes of the bus suddenly, the lower part of the body comes to rest and the foot also comes at rest with the bus however the upper part of the body continues to move forward due to inertia of motion.
Therefore, the correct option is D.
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In order to insert a human gene into a plasmid, both must ____
Answer:
be cut by the same restriction enzyme, resulting in the formation of complementary sticky ends
In order to insert a human gene into a plasmid, both must be cut by the same restriction enzyme.
A restriction enzyme is a protein that cleaves specific nucleotide sequences in the DNA molecule.
During recombinant DNA techniques, both target DNA (i.e., the genetic sequence to be modified) and the gene sequence to be inserted are cleaved by restriction enzymes that cut at the same nucleotide sequence.
Subsequently, a specific enzyme called ligase catalyzes the joining (i.e., the ligation) of both nucleotide sequences by forming a new phosphodiester bond.
In conclusion, in order to insert a human gene into a plasmid, both must be cut by the same restriction enzyme.
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White light shines on a piece of paper whose atoms are capable of absorbing orange, indigo, violet, yellow, red, and blue light. What color is the paper?
1)black
2)white
3)green
4)whatever color is created by the mixture of orange, indigo, violet, yellow, red, and blue light
4 whatever color is created by mixture of orange
Answer:
Green
Explanation:
The white light has 7 colors such as violet, indigo, blue, green, yellow, orange, and red. This is designated as VIBGYOR. Every object has some light-absorbing capacity. We can see colors when a particular color gets reflected by the objects. For example, in leaves, the green lights are reflected, so it looks green. The absorbed light is transferred into another form of energy i.e. heat energy. The reflected color gives the object its color that we see. If all the colors will absorb, it gives black color. If the piece of paper absorbs all the colors except green, the color of the paper is green. Because green light is reflected while others get to absorb.
In some cases, a population of one species disperses throughout an area, and over time, one species evolves and becomes more. In this example, one bird species, the founder species, becomes three. This is true for the Galapagos finches and the Hawaiian honeycreeper. Which answer BEST explains how natural selection contributes to this speciation event?
Answer:A
Explanation:i chose B and got it wrong
usa test prep
Answer:it’s A
Explanation:
When the comb jelly, Mnemiopsis leidyi, was introduced into the Black Sea, its population exploded to 500 comb jellies per cubic yard in 1988. The jellies devoured all the zooplankton and fish larvae, drastically reducing the numbers of the native fish populations. This situation demonstrates _______.a.the difference between biotic and abiotic factors in an ecosystem.b.effects of local evolution or migration on an ecosystem.c.the impact of removing or adding organisms to an ecosystem.d.the types of interactions between organisms in an ecosystem. Please select the best answer from the choices provided
Answer:
c.the impact of removing or adding organisms to an ecosystem
Explanation:
Species that are introduced to new ecosystem by activity of the human are called introduced species or non-native species. As a consequence of their introduction, existing ecosystem might get affected and this is the negative impact, like in the case above. Introduced species might become invasive species when they spread too much.
The bioenergy garden at Georgia Southern University is used to show plants that can be used __________.
Answer:
as biofuels that will not add any extra carbon dioxide into the atmosphere
Imagine that part of a population of flies is blown from the California coast to an offshore island. The island flies have no contact with the mainland flies for 10,000 years. Then an earthquake rearranges the landscape and the island is rejoined to the mainland. The former island flies can now mingle freely with the mainland flies. If attempts at mating between flies from the two groups are successful and the resulting offspring grow up strong and healthy and have offspring of their own, you could conclude that _____.
Answer:
Speciation didn't occur over the past 10,000 years
Explanation:
We conclude this, since the two populations could mate (if speciation occurred, there would be no reprodution).
For example, in allopatric speciation which occurs as a result of geographic isolation, the part of population becomes physically separated from the initial main population. There is no gene flow between these two populations and as a result the two populations reach a high level of genetic divergence. They can no longer interbreed (reproduction between them) which means they become two different species (speciation).
New populations evolve as result of mutation, genetic drift and natural selection.
Which of the following organelles is found only in animal cells and NOT in most plant cells?
a) chloroplast b) mitochondrion c) lysosome d) peroxisome
Answer:
C. Lysosome
Explanation:
Lysosmes are not commonly found in plants. They are mostly found in animal-like eukaryotes. Lysosomes have digestive enzymes that breakdown molecules like proteins, carbohydrates and the like. They also breakdown worn out organelles. When broken down, they exit the lysosomes in vesicles so that the cell can expel it. This is why lysosomes are called the garbbage disposal of the cell.
Final answer:
The organelle present only in animal cells and not in most plant cells is the c) lysosome. Lysosomes are responsible for breaking down biomolecules in animal cells, while plant cells use vacuoles for digestion.
Explanation:
The organelle found only in animal cells and not in most plant cells is c) lysosome. Lysosomes are known as the cell's "garbage disposal" where they aid the breakdown of various biomolecules. Plant cells typically perform these digestive processes in vacuoles. In contrast, chloroplasts are found in plant cells but not in animal cells, mitochondria are present in both animal and plant cells, and peroxisomes are also found in both but function differently depending on the type of cell.
Which organelle aids in the production and movement of proteins and other materials through the cell?
Cell or plasma membrane.
Answer: endoplasmic reticulum
Explanation: I just took the test and got it right
Sperm are created through meiosis in an area of the testes called the seminiferous tubules. Through which structure do the sperm travel to exit the testes?
Answer:
Epididymis
Explanation:
From the testes, the sperms travel to the epididymis. These structures can be found resting on top of each testes. Fresh out of the testes, sperms are not yet matured and this is where the epididymis takes over. The sperm are stored here and this is where sperm matures. From here, the sperm moves into the vas deferens.
Sperm exit the testes through the rete testes and efferent ductules after being produced in the seminiferous tubules, and then travel to the epididymis for further maturation.
Sperm are created through meiosis in the seminiferous tubules of the testes. As the spermatozoa mature, they move from the lumens into the straight tubules (or tubuli recti) and then into a network of channels called the rete testes. From the rete testes, sperm exit the testes through 15 to 20 efferent ductules that cross the tunica albuginea. The sperm then continue their journey to maturity and eventual ejaculation in the epididymis, and are later transported through the vas deferens out of the body via the urethra during ejaculation.
Use this information to answer the question(s) below. Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome. If she moves the promoter for the lac operon to the region between the beta galactosidase (lacZ) gene and the permease (lacY) gene, which of the following would be likely? Use this information to answer the question(s) below. Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome. If she moves the promoter for the lac operon to the region between the beta galactosidase (lacZ) gene and the permease (lacY) gene, which of the following would be likely? The three structural genes will be expressed normally. The cell will continue to metabolize but more slowly. Beta galactosidase will not be produced. The operon will still transcribe the lacZ and lacY genes, but the mRNA will not be translated. RNA polymerase will no longer transcribe permease.
Answer:
Beta galactosidase will not be produced
Explanation:
Normally in lac operon, promotor is located before genes and it is necessary for the initiation of transcription.
Lactose operon or lac operon (includes lacZ lacY and lacA genes) is found in some bacteria and the products of its genes are involved in lactose metabolism. So, this operon is active (genes are transcribed) when lactose is present and glucose is absent. The operon is regulated by the lac repressor which acts as a lactose sensor and catabolite activator protein (CAP) which acts as a glucose sensor.
When there is lactose (in the form of allolactose) lac repressor detects it and stops being repressor. This enables transcription.
CAP detects glucose (via cAMP) and activates transcription when glucose levels are low/
Moving the promoter for the lac operon to the region between the lacZ and lacY genes would likely result in a disrupted transcription process. RNA polymerase may only transcribe the genes following the promoter, effectively not producing Beta Galactosidase as its gene (lacZ) will not be reached.
Explanation:The lac operon, originally discovered in E. coli, is vital for the absorption and metabolism of lactose. It consists of three adjacent genes that are transcribed when lactose is present in the environment, allowing the bacterium to use it as a food source. The operon also contains a promoter sequence for RNA polymerase to bind and instigate transcription.
In your scenario, if the promoter for the lac operon was moved to the region between the beta galactosidase (lacZ) gene and the permease (lacY) gene, the most probable outcome would be a disturbance in the normal transcription process. As RNA polymerase typically binds to the promoter to begin transcription of all the genes in the operon, moving the promoter might result in only the genes that come after it, in this case only lacY, being transcribed. Therefore, Beta Galactosidase would likely not be produced since its gene (lacZ) would not be transcribed because it is before the promoter in this new setup. Consequently, RNA polymerase will no longer transcribe permease.
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What is the difference between genotype and phenotype? A. A genotype represents which alleles are carried, a phenotype is the visible trait. B. A genotype expresses the phenotype. C. A phenotype represents which alleles are carried, a genotype is the visible trait. D. They are the same thing.
Answer:
the answer is a
Explanation:
In which oceanic zone do clams and crabs survive by burrowing in the sand?
Answer:
Mesopelagic zone
Explanation:
The Mesopelagic zone, also referred to as the Twilight zone, is the second oceanic zone from the top, lying just bellow the Epipelagic zone. It is occupying the waters at depths between 200 meters and 1,000 meters. The sunlight is only managing to reach the top few meters of this zone, while the rest is not receiving any sunlight, thus this zone is not supporting the plant species because they need sunlight for the process of photosynthesis. There are lot of animal species that live in this zone though, and they are ll very well adapted for it, often having hard shells or heavily scaled bodies, larger lungs and heart, and very well developed gills. Some of the animals that live in here are the crabs and the clams. They have developed all the needed characteristics to live in this zone. Because they are prey to lot of larger animals, both the crabs and the clams have started to use the soft sediments at the bottom as cover, digging themselves below it, and mostly managing to evade trouble and end up as food for the other species.
Which of the following statements best describes the termination of transcription in prokaryotes?
A. RNA polymerase transcribes through the polyadenylation signal, causing proteins to associate with the transcript and cut it free from the polymeraseB. RNA polymerase transcribes through the terminator sequence, causing the polymerase to fall off the DNA and release the transcript. C. RNA polymerase transcribes through an intron, and the snRNPs cause the polymerase to let go of the transcript. D. Once transcription has initiated, RNA polymerase transcribes until it reaches the end of the chromosome. E. RNA polymerase transcribes through a stop codon, causing the polymerase to stop advancing through the gene and release the mRNA.
Answer:
B. RNA polymerase transcribes through the terminator sequence, causing the polymerase to fall off the DNA and release the transcript.
Explanation:
Termination of transcription in prokaryotes can be performed in two ways:
Rho dependent-Rho factor is a protein that has the ability to bind for RNA polymerase, and to separate it from the template DNA strandRho independent-there is a specific sequence in DNA rich C and G nucleotides. As RNA polymerase gets to that region, it folds the DNA and creates the hairpin. The hairpin causes the polymerase to fall.The termination of transcription in prokaryotes occurs when the RNA polymerase transcribes through the terminator sequence, causing the polymerase to detach from the DNA and release the newly formed RNA strand.
Explanation:The termination of transcription in prokaryotes is best described by statement B. RNA polymerase transcribes through the terminator sequence, which is a specific sequence at the end of a gene. This sequence signals the RNA polymerase to stop transcription and detach from the DNA. As a result, the newly synthesized RNA strand is released.+
The other options offered here are generally applicable to transcription and translation in eukaryotes, but not in prokaryotes. For example, polyadenylation signals and introns (option A and C) are features often found in eukaryotic genes. Similarly, the concept of a stop codon terminating transcription (option E) is a misunderstanding: stop codons are related to termination of translation, not transcription.
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Describe Two types of drugs and the negative impact the abuse of of these drugs can have on a person health
club drugs: lsd cause rapid heart rate
hallucinogens: bath salts causes hallucinations and can be dangerous to self and others
Drug#1: Marijuana
Marijuana is a drug used for medicine or personal uses that is made from part of a plant called Cannabis. Short-term side effects may include a decrease in short-term memory, dry mouth, impaired motor skills, red eyes, and feelings of paranoia or anxiety. Long-term side effects may include addiction, decreased mental ability in those who started as teenagers, and behavioral problems in children whose mothers used cannabis during pregnancy. There is a strong relation between cannabis use and the risk of psychosis.
Drug #2: Crack Cocaine
Crack cocaine, also known simply as crack or rock, is a free base form of cocaine that can be smoked. Crack offers a short but intense high to smokers. The Manual of Adolescent Substance Abuse Treatment calls it the most addictive form of cocaine. Crack cocaine is commonly used as a recreational drug. Effects of crack cocaine include euphoria, supreme confidence, loss of appetite, insomnia, alertness, increased energy, a craving for more cocaine, and potential paranoia (ending after use). Crack is such a strong stimulant that it creates severe stresses on the heart, the vascular system, the lungs and the brain. Blood vessels constrict from the stimulation of the drug and over time, can harden. Then when further stimulation occurs, these damaged blood vessels can rupture, leading to a stroke. Damage to the heart can lead to a fatal heart attack or cardiac arrest.
I got most my information from online so make sure to paraphrase!! Hope this helps
An ecologist studying communities would study which of the following?A. The development of males' mating dances in a particular species of spider.B. Changes in the size of a mouse population after hawks, a main predator of mice, are introduced into the area where the mice live.C. Changes in the abundance of a particular species of frog in a portion of a rainforest over time.D. The effects of soil erosion on plant species found on the side of a mountain
Answer:
B. Changes in the size of a mouse population after hawks, a main predator of mice, are introduced into the area where the mice live
Explanation:
A community is defined as a group of populations of two or more different species which inhabit the same area at a certain time.
Community ecology is the study of the interactions between species in communities through time on a certain place. It includes the study of the distribution, structure, demography, and interactions between populations.
Devon is being treated for anxiety. he is connected to an instrument that records muscle tension. his job is to try to reduce muscle tension. this is an example of: biofeedback training. emg training. relaxation training. self-instruction training.
I think it’s Self-Instruction training
Very short-term bursts of stress can have a beneficial effect on many biological systems, including the _____ system, which is your body's frontline defense against infection and cancer.
a. nervous
b. respiratory
c. immune
d. circulatory
Very short-term bursts of stress can have a beneficial effect on many biological systems, including the immune system, which is your body's frontline defense against infection and cancer.
Answer: c
Answer:
C) Immune
Explanation:
Very short-temr bursts of stress can have a beneficial effect on many biological systems, incuding the immune system, which is your body's frontline defense against infection and cancer.
An individual’s unique constellation of consistent behavioral traits is known as
Answer:
An individual's unique constellation of consistent behavioral traits is known as PERSONALITY.
Explanation:
An individual's personality is made up of the combination of behaviors, attitude, habits, emotions and thoughts that an individual typically exhibit on a constant basis. These unique features are derived from the genetic make up of the individual and operating environmental factors. There are different types of personality and each type have its characteristics features.
An individual's unique constellation of consistent behavioral traits is known as personality. Personality encompasses enduring patterns of thought, emotion, and behavior that contribute to an individual's unique sense of self. These traits, which range from introversion to extraversion to conscientiousness, are stable over time and make each person distinctive.
Explanation:An individual’s unique constellation of consistent behavioral traits is known as personality. Personality is defined as an individual's consistent patterns of feeling, thinking, and behaving, making up what makes us distinctive from one another. From early childhood, these patterns emerge, manifesting in various ways, such as a person's activity level and their characteristic manner of interacting with others and the environment.
According to psychologists like Allport, personality traits are integral to an individual's sense of self, encompassing values, thoughts, feelings, preferences, and typical behaviors that are evident throughout much of their lifespan. These traits could be introversion, extraversion, conscientiousness, or a range of emotions like anxiety or self-assurance. The complexity of personality encapsulates dispositional traits, characteristic adaptations, and integrative life narratives, all situated within a cultural context.
Personality traits are thought to be stable over time and are not easily changed. They arise from neuropsychic systems that guide consistent behavior, reflecting a person's enduring, long-term characteristics. The original Latin meaning of 'persona' implies that a personality can be like a mask, representing or projecting specific traits of an individual's character.
_______ has a greater partial pressure in the pulmonary capillaries than in the alveoli
Answer:
CO2
Explanation:
Diffusion is a simple process of molecular movement, from their higher concentration to the area with their lower concentration. The process of CO2 movement from the pulmonary capillaries into the alveoli is part of the gas exchange (together with oxygen movenent in opposite direction) and it is actually simple diffusion. Alveoli have huge surface area, thin cell walls and a lot of blood vessels around them. All of these are adaptations that facilitate gas exchange. There is a gradient in partial pressure of the CO2: it is much higher in the pulmonary capillaries than in the alveoili so it moves down its gradient-from the blood to the alveoli (exhale).
The chart shows the densities of four substances.
Which list shows the order in which white light passes through these substances, from fastest to slowest?
Z, Y, X, W
W, X, Y, Z
W, X, Z, Y
Y, X, Z, W
Answer:
Y, X, Z , W
Explanation:
According to the density of the given substances, the order in which white light passes through these substances, from fastest to slowest is Y < X < Z < W. So, it's D.
What is Density?Density may be defined as the mass or quantity of substances in a unit volume. It describes the compactness of any substance.
The intensity of light passes is inversely proportional to the density, which means density decreases, and the intensity of light passes increases.
Therefore, the correct order is Y < X < Z < W.
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If a pregnant woman drinks 2-5 alcoholic drinks per day, what effects does this have on the developing baby?
Low birth weight, premature birth, miscarriage (fetus dies before the 20th week of pregnancy), birth defects (hearing issues, or heart defect)
Match each phrase to the form of energy it represents. chemical potential energy electric energy vibrational energy motion energy electric potential energy radiant energy
Answer:
fuel in a car's gas tank- Chemical Potential Energy
flash of lightning- Radiant Energy
Storm clouds- Electric Energy
vocalist singing- Vibrational Energy
recording sound with a microphone- Electric Potential Energy
raindrops falling- Motion Energy
Answer:
i got it wrong but you swith the 2 wrong.
Explanation:
HERE IT IS !!!! :)
Brainliest will be given
Why do lunar and solar eclipses not happen every month?
Eclipses only occur during full and new moons.
Earth rotates around its axis faster than the moon.
The moon and Earth only travel through the penumbras.
The moon’s axis does not always align with Earth’s shadow.
I'm not 100% sure but I think the answer is D. The moon's axis does not always align with Earth's shadow.
D
Why do they not happen every month? A lunar eclipse occurs when the Moon enters the Earth's shadow. A solar eclipse occurs when the Moon's shadow falls on the Earth. They do not happen every month because the Earth's orbit around the sun is not in the same plane as the Moon's orbit around the Earth.
i hope this helps chu
Intraspecific competition drives natural selection because A. individuals that can survive despite limited resources and competition will reproduce at a higher rate. B. other species in the same environment may have advantageous adaptations to the environment. C. individuals that work with other individuals of their species will have a higher chance of finding food. D. similar species in different environments often develop similar structures to carry out similar functions.
Answer:
The correct option is A.
Explanation:
Intraspecific competition refers to the type of competition in which living organisms belonging to the same specie compete for common limited resources. When the required resources that are needed to survive become scarce, then it is only the fittest organisms that will survive, these set of organisms usually found a way of adapting to the changes that occur in their environments and they usually go on to reproduce young ones that replace them. This process leads to evolution in which living organisms that possess the right traits are able to survive and reproduce in a particular habitat.
Answer:
A
Explanation:
What is the function of the diaphragm in a living pig?
Answer:
It separates the chest from the abdominal cavity and helps in respiration.
Explanation:
The diaphragm is a muscle structure located between the abdomianal cavity and the chest. It is involved in the process of respiration, it has the role to facilitates inhalation and exhalation. During the inhalation, diaphragm contracts and becomes flat (this pulls the air into the lungs). During the exhalation, diaphragm relaxes.
What is a long-term effect of the increased primary productivity of a terrestrial ecosystem?
A. The ecosystem will not be able to support as many tertiary consumers
B. It will decrease the amount of energy transferred to higher trophic levels
C. The ecosystem will be able to support more organisms at higher trophic levels
D. The ecosystem will become stagnant due to excess producers and organisms in higher trophic levels will die out
Answer:
C
Explain: USATEST prep said so