Answer:
I dont know who vincent is
Explanation:
Viviparous type of seed germination is found in
(1) Sonneratia
(3) Oryza sativa
(2) Rhizophora
(4) Both (1) & (2)
Answer:
(4) Both (1) & (2)
Explanation:
Viviparous germination is a type of seed germination in which seeds germinates but still attached with the plant body. This type of germination is present in plants such as Sonneratia and Rhizophora. In these plants, the embryo which is present inside the seed grows and break the seed coat and after that, it comes out the fruit which is still attached to the plant.
what does equally dominant mean
Answer: have a commanding influence on; exercise control over
Explanation: to control or have influence on
Traits are passed to offspring that help an organism attract a mate. What is this considered?
Answer:
inhereted traits, theyre used during sexual selection
Explanation:
The traits are passed to offspring that help an organism attract a mate. This is considered as inheritance or intimate selection.
What is inheritance?The passing on of characteristics or knowledge from one generation of people or cells to the next is known as inheritance.
Genetic inheritance or epigenetic inheritance are the two main general processes through which inheritance can happen.
The name "DNA" refers to deoxyribonucleic acid. The genetic makeup is in charge of information storage. A nitrogen base, a sugar, and a phosphate backbone make up DNA.
It is known as inheritance when this genetic data is handed from a parent to a child, and therefore from one generation to the next.
In the process of intimate selection, members of one biological gender choose partners from the other gender and compete with one another for access to partners from the other gender.
Thus, the answer is intimate selection.
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What does nitrogen do to soil
Answer:
Nitrogen is a main component of forming life.
Explanation:
Nitrogen gives the soil it's needed nutrients in order to grow plants.
Contaminated soil can be rehabilitated by physical remediation methods, like aeration. What is another way soil can be treated to
transform soil for future generations?
A)Plant fungi, such as mushrooms.
B)Dig up and remove the topsoil layer.
C)Flush out the contaminants with an excessive amount of water.
D)Treat the soil with an excessive amount of phosphate based fertilizer.
Answer:
C) Flush out the contaminants with an excessive amount of water.
Explanation:
Water is universal solvent. It dissolve many solutes inside it. Soil is contaminated with number of chemicals which is used by farmers for the controlling of pathogens. These chemicals remains on the soil for very long time. These chemicals are removed from the soil by applying high amount of water which flush out the chemicals from the soil.
Answer:
Contaminated soil can be rehabilitated by physical remediation methods, like aeration. What is another way soil can be treated to transform soil for future generations?
From the above analogy, another way the soil can be treated to transform soil for future use is by planting fungi such as mushrooms which helps to decompose any contaminants and digest them. This will enable the soil to be useful for future generation
Explanation:
The chart shows parts of a human being and a plant, at different levels of organization
Answer:
The answer is D: S and X
Explanation:
The chart shows parts of a human being and a plant at different levels of organization. Levels of organization refer to the increasing complexity of biological structures. A (P and W) and C (R and Y) are the possible answers.
here are the levels of organization, going from least complex to most complex:
Organelles: These are microscopic structures within cells that perform specific functions. An example of an organelle in the chart is the chloroplast (W), which is found in plant cells and carries out photosynthesis.
Cells: These are the basic units of structure and function in living things. They are made up of organelles and other structures. An example of a cell in the chart is a nerve cell (P), which is found in the human nervous system.
Tissues: Groups of similar cells that work together to perform a specific function. An example of a tissue in the chart is muscle tissue (Y), which is found in both humans and plants.
Organs: Two or more tissues that work together to perform a specific function. An example of an organ in the chart is the heart (R), which is part of the human circulatory system.
Organ systems: Groups of organs that work together to perform a complex function. An example of an organ system in the chart is the circulatory system (R), which transports blood throughout the body.
Organisms: Individual living things. An example of an organism in the chart is a human being (X).
The question asks which pair is at the same level of structural organization. Based on the information above, we can determine that the following pairs are at the same level of structural organization:
P and W (nerve cell and chloroplast): These are both organelles.
R and Y (heart and muscle tissue): The heart is an organ composed of muscle tissue.
Therefore, options A (P and W) and C (R and Y) are the possible answers.
COMPLETE QUESTION:
Which pair is at the same level of structural organization?
A) P and W
B)Q and Z
C)R and Y
D)S and X
Which of these is least likely to be an adaptation?
A. A cow uses its tail to help keep flies away.
B. A prairie dog burrows underground to escape predators.
C. An owl has large eyes that help it hunt at night when it's cooler.
D. A golden retriever learns to roll over on command.
Answer: A golden retriever learns to roll over on command :)
Explanation:
What is fotosintesi
Answer:
Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
Explanation:
It is spelled photosynthesis not fotosintesi.
How does the endocrine system affect the excretory system?
O
A. It filters the blood that is used by the excretory system.
O
B. It adds oxygen to the bloodstream through diffusion.
O
C. It tells the excretory system when the blood is out of balance.
O
D. It provides the enzymes that allow for digestion.
SUBMIT
The endocrine system regulates the excretory system by signaling when blood is out of balance, which causes the kidneys to adjust urine concentration to maintain homeostasis.
The endocrine system affects the excretory system by regulating the balance of water, salts, and other substances in the blood. When blood sugar levels are high, the pancreas, an endocrine gland, secretes insulin, which assists cells in absorbing glucose from the blood, demonstrating the role of hormones in the regulation of bodily functions.
The answer to the question, 'How does the endocrine system affect the excretory system?' is option C: It tells the excretory system when the blood is out of balance. The kidneys, part of the excretory system, adjust the concentration of urine based on signals such as antidiuretic hormone from the endocrine system to maintain homeostasis.
The endocrine system affects the excretory system by signaling when the blood is out of balance. The correct answer is: C. It tells the excretory system when the blood is out of balance.
The endocrine system communicates with the excretory system through hormones, signaling when adjustments are needed in fluid balance, electrolyte levels, and blood pressure.
Hormones like aldosterone regulate sodium and potassium levels in the blood, impacting kidney function and water retention. Similarly, antidiuretic hormone (ADH) controls water reabsorption in the kidneys to regulate blood volume and osmolarity.
If blood pressure drops or electrolyte levels become imbalanced, the endocrine system signals the excretory system to adjust accordingly, such as by increasing or decreasing urine production.
The endocrine system plays a crucial role in maintaining homeostasis within the body, communicating with the excretory system to regulate fluid and electrolyte balance. This ensures proper functioning of the body's internal environment and overall health.
What are the secondary consumers in the food web
Answer:
The animals that eat the primary consumers. They are heterotrophs, specifically carnivores and omnivores.
Two different species are discovered in the rainforest and their DNA sequences
are 94% the same. What does this similarity suggest ?
The similarity of 94% in their DNA sequence suggest that they have originated from a common ancestor and are closely related species.
Explanation:
The difference in DNA sequences in different species is due to the accumulation of genetic variation in the course of natural selection and evolution. Less is the difference in DNA sequences of two organisms the more related they are.
Genes determine the characteristics in an organism, and they are DNA sequences determining the protein to be formed. The similarity in DNA sequence of two species establish the evolutionary relationship among them.
Due to the genetic variation in species, the natural selection of the species had caused the evolution of the species adapted well to the environment.
What key reactant is needed to drive cellular respiration
Answer:
Glucose and Oxygen are the key reactant that is needed to drive cellular respiration. Respiration is a energy releasing process in which energy is released due to the breakdown of glucose molecules with the help of oxygen which produces carbondioxide, water and energy in the form of Adenine tri phosphate (ATP). Carbondioxode is a waste product which is removed from the cell and ATP is used by the cell for performing different functions.
The main function of organelles is
A.translation
B. Protect DNA
C. Move proteins throughout the cell
Answer:
C. move proteins throughout the cell
Explanation:
My science teacher told me.
An astronomer sees bands of different
colors from objects in space using this tool
Answer:
spectroscope
Explanation:
What evidence indicates that lithospheric plates move over Earth's surface?
Final answer:
Evidence for the movement of lithospheric plates includes the seismic activity along plate boundaries, volcanic activity where magma surfaces, landform changes, and geological studies of hot spots and volcanic tracks.
Explanation:
The concept of plate tectonics encompasses the movement of massive segments of the Earth's lithosphere, known as tectonic or lithospheric plates. Significant evidence indicates that these lithospheric plates move over the Earth's surface. First and foremost, the occurrence of earthquakes along plate boundaries demonstrates abrupt movements of these plates. Additionally, the presence of volcanoes along these boundaries is a result of magma surfacing through the plates, reinforcing the fact that they are actively moving.
The San Andreas Fault in California is a prime example where two plates slip past each other, causing frequent seismic activity. Another form of evidence is the creation of new landforms such as the Great Rift Valley of Africa, which is a result of diverging plates. Furthermore, the mapping of earthquake epicenters helps trace the boundaries of these moving plates, while studies of hot spots and the volcanic tracks they create offer insights into past movements of plates.
the role of isolating mechanisms in maintaining the integrity of a species
Final answer:
Isolating mechanisms maintain species integrity by preventing gene flow between populations, aiding in reproductive isolation and speciation. These mechanisms include both prezygotic and postzygotic barriers and are critical for biodiversity conservation and the survival of specialized ecological niches.
Explanation:
The role of isolating mechanisms is crucial in maintaining the integrity of a species by preventing interbreeding between different populations or species. These mechanisms can be prezygotic, such as sexual selection or differences in mating behaviors, and postzygotic, such as sterility of hybrid offspring. For instance, on Floreana Island, differences in beak size influence mate selection amongst Darwin's finches, serving as a prezygotic isolating mechanism. Reproductive isolation is a key component of this process, contributing to speciation and the conservation of biodiversity by ensuring that unique genetic traits are preserved within a species.
Furthermore, maintaining the evolutionary history of species is essential for biodiversity and informed conservation strategies. The integrity of populations, especially those that are geographically isolated or genetically distinct, needs to be protected from losing unknown species to extinction before they are fully recognized. Isolation can sometimes be beneficial, as it allows for the development of unique adaptations. However, it can also make populations vulnerable if their specialized ecological niche is lost, leading to potential extinction.
The diagnostic test for HIV, the virus that causes AIDS, involves testing the blood for antibodies with this pathogen. Antibodies are produced when the body…
Stimulates enzyme production
detects foreign antigens
secretes specific hormones
synthesizes microbes
Answer:
Detects foreign antigens
Explanation:
Antibodies are the defense cells of the body. They are produced by the white blood cells and help in fighting and killing foreign bodies which are known as antigens. The antibodies attacks the antigens by binding onto it and releasing chemicals to kill it or by engulfing the foreign body( antigen).Examples of antibodies are IgA and IgG.
What happens when a population reaches its carrying capacity?
Diversity Increases.
New Individuals will immigrate.
Organisms form random distribution patterns.
The ecosystem cannot support more growth.
Answer:
The ecosystem cannot support more growth.
Explanation:
The ecosystem is at its maximum capacity, like how many people you can fit in a room. If there’s too many people then everyone would suffocate. Just like if there is too many organisms, the food, or water, would run out and they would starve, or die of thirst.
What are the products of photosynthesis?
glucose and oxygen
carbon dioxide, water, and solar energy
oxygen, solar energy, and glucose
hydrogen, oxygen, and carbon
Answer:
glucose and oxygen
Explanation:
In order for plants and animals to be able to use nitrogen, N2 gas must first be converted to more a chemically available form. Review the picture of the nitrogen cycle. One type of organism is responsible for "fixing" nitrogen so other organisms can use the element. What organism is this?
Answer:
Nitrogen fixing bacteria is the organism which is responsible for the fixing of atmospheric nitrogen into usable form for the plant.
Explanation:
Nitrogen fixing bacteria is a type of bacteria which fixes atmospheric nitrogen into ammonium and nitrates form. Plants are unable to take atmospheric nitrogen so it must be converted into available form i. e. nitrates and ammonium. Examples of nitrogen fixing bacteria are Cyanobacteria and Azotobactor etc. These nitrogen fixing bacteria lives in the root of the plant and makes symbiotic association.
Answer:
oxygen
Explanation:
Photosynthesis is a biological process in which plants convert carbon dioxide gas to carbon compounds, such as glucose. The process of photosynthesis is represented in the diagram of the carbon cycle shown here.
Which statements accurately relate photosynthesis to the other processes of the carbon cycle shown in the diagram? Select all of the correct statements.
A. Photosynthesis is the only biological process that takes up carbon dioxide.
B. Photosynthesis has the same effect on the carbon cycle as human activities.
C. Photosynthesis has the same effect on the carbon cycle as geological activities.
D. Photosynthesis is the only process that transfers carbon from the air to the biosphere.
E. Photosynthesis is the only process of the carbon cycle that involves energy.
Option A, E
Photosynthesis is the only biological process that takes up carbon dioxide and Photosynthesis is the only process of the carbon cycle that involves energy are statements accurately relate photosynthesis to the other processes of the carbon cycle
Explanation:Cellular respiration and photosynthesis are essential components of the carbon cycle. The carbon cycle is the pathways by which carbon is reclaimed in the biosphere. Carbon passes from the atmosphere to plants. In the atmosphere, carbon is appended to oxygen in a gas termed carbon dioxide.
By the medians of photosynthesis, carbon dioxide is extricated from the air to create food produced from carbon for plant germination. While cellular respiration liberates carbon dioxide into the atmosphere. Cellular respiration global aids to hold atmospheric oxygen and carbon dioxide at constant levels.
Photosynthesis is a biological process in which plants convert carbon dioxide gas to carbon compounds, such as glucose. It takes up carbon dioxide and transfers carbon from the air to the biosphere. The correct statements are A and D.
Explanation:Photosynthesis is a biological process in which plants convert carbon dioxide gas to carbon compounds, such as glucose. It is represented in the carbon cycle diagram as the process that takes up carbon dioxide from the air and transfers it to the biosphere. Therefore, statements A and D are correct.
Photosynthesis is not the only process that involves energy in the carbon cycle. Both respiration, which is the opposite of photosynthesis, and human activities also involve energy. Therefore, statement E is incorrect.
The carbon cycle also involves geological activities such as volcanic activity, weathering, and erosion. These processes release carbon dioxide into the atmosphere. So, statement C is incorrect as well.
In conclusion, the correct statements related to photosynthesis and the carbon cycle are A and D. Photosynthesis is the process that takes up carbon dioxide and transfers carbon from the air to the biosphere.
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What evidence supports the theory of endosymbiosis ? Mitochondria and chloroplasts are similar to prokaryotes they do not have theh own membranes Eukaryotic cells contain mitochondria and some contain chiorophyll. contain ribosomes. Mitochondrial DNA is most closely related to a parasitic bacteria called Rickettsia prowazekit, causes epidemic typhus. Both mitochondria and chloroplasts have a circular DNA genome, like a bacteria's genome, but smaller. This DNA is passed from a mitochondrion to its offspring and separate from the host" cell's genome in the nucleus. Both mitochondria and chloroplasts have their own ribosomes to produce proteins. Eukaryotic cells were on earth before prokaryotic ones.
Answer:
Both mitochondria and chloroplasts have a circular DNA genome, like a bacteria's genome, but smaller.
Explanation:
The theory of endosymbiosis explains how eukaryotic cells might have risen from prokaryotic cells.
The evidence which supports this theory was the fact the organelles like mitochondria and chloroplast have their own DNA, which is like the prokaryotic DNA. It is circular and smaller. This DNA is also capable of making its own RNA.
This evidence supports the theory of endosymbiosis.
Answer:
There are 3 correct answers for USATestPrep
Mitochondrial DNA is most closely related to a parasitic bacteria called Rickettsia prowazekii, which causes epidemic typhus.
Both mitochondria and chloroplasts have a circular DNA genome, like a bacteria's genome, but much smaller. This DNA is passed from a mitochondrion to its offspring and is separate from the "host" cell's genome in the nucleus.
Both mitochondria and chloroplasts have their own ribosomes to produce proteins.
Explanation:
I did the usatestprep
The formation of karst topography requires carbonic acid react with?
Answer:
limestone
Explanation:
Answer:
limestone
Explanation:
a p e x
two of the four are biomolecules are proteins and nucleic acids. what is the relationship between proteins and nucleic acids?
Answer: The translation of sequences. (DNA/RNA)
The relationship between proteins and nucleic acids is nucleic acids contain the information to make proteins.
What are Organic compounds?Organic compounds are known as the compounds that have carbon-hydrogen bonds.It should be noted that nucleic acids are the chemical compounds that serve as the information carrying molecules that are in cells. The relationship between proteins and nucleic acids is that the nucleic acids contain the information to make proteins.
Nucleic acids combine to synthesize proteins, from DNA which becomes RNA and when entering the ribosome generates such synthesis.Protein synthesis is a complex process that begins in the cell nucleus and begins when the protein gene is encoded and expressed by the transcription process. The transcript is the one that transmits the information from the DNA to the RNA (the two nucleic acids).
Therefore, The relationship between proteins and nucleic acids is nucleic acids contain the information to make proteins.
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Enzymes are sensitive to pH and temperature. If an enzymes environment is too hot, the enzyme cannot
Enzymes function best at specific temperatures and pH levels. Excessively hot temperatures cause enzymes to lose their shape in a process called denaturation, which inhibits their ability to function.
Explanation:Enzymes are biological catalysts that accelerate chemical reactions in cells. They function optimally at specific temperatures and pH levels. If an enzyme's environment is too hot, it undergoes a process called denaturation where the enzyme loses its specific shape, making it unable to bind with its substrate and carry out its function effectively.
This change is generally irreversible, and the disrupted enzymatic activity can affect metabolic processes in the organism. Thus, both temperature and pH are critical factors in enzyme functionality.
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If an enzyme's environment is too hot, the enzyme cannot effectively bind to substrates because high temperatures cause the enzyme to denature, which is a loss of its three-dimensional structure and function.
Enzymes are sensitive to pH and temperature, which affect their ability to function properly. When the environment of an enzyme is too hot, the enzyme cannot maintain its shape and, as a result, it cannot bind to substrates effectively. Increase in temperature, beyond a certain point, leads to a loss of the three-dimensional structure of the enzyme, a process known as denaturation. This structural change is typically irreversible and results in the loss of enzymatic activity because the active sites are no longer suited to bind to substrates. Additionally, enzymes have an optimal pH range and deviations from this range can also result in denaturation.
Write notes on the accesary organs of digestion found in the mouth and their function and structure
Answer:
Write notes on the accesary organs of digestion found in the mouth and their function and structure?
Digestion begins in the mouth as mastication starts while chewing the food material, when food materials are masticated digestion begins as enzyme starts acting on food materials right from the mouth which aids digestion
Explanation:
Help please (they are easy I’m just lazy)
Answer: 1. 1-11 = going up, increase 9-11= decreasing
2. Predators increase in the area, food resources drop
3. Population drop due to increase in predators. More pheasants will be eaten
Explanation:
Answer:
1. From year 1 to 11 there has a huge increase in the pop.
Years 9 to 11 did not see too much action, there was a SLIGHT decrease though.
2. It could be they were hunted for food, or due to overpopulation.
3. It's likely there will be another decrease. They will possibly be hunted for food (especially if they can't fly)
ASAP HELP RNN!! Pleaseee
Answer:
Icebergs float because as water freezes, it ex- pands and becomes less dense than the water it sits in. Only one tenth of an iceberg is above the surface, depending on the age of the iceberg. As icebergs melt, the trapped air bubbles pop and make a fizzing sound called “Bergie Seltzer.”
Explanation:
The female sex cells or eggs are produced by
Answer:mieosis and the
Explanation:
Answer:
The ovaries produce the egg cells, called the ova or oocytes. The oocytes are then transported to the fallopian tube where fertilization by a sperm may occur. The fertilized egg then moves to the uterus, where the uterine lining has thickened in response to the normal hormones of the reproductive cycle.
Explanation:
Describe the three types of technology humans use and the pros and cons of each
Three types of technology that human can use and its pros and cons is listed below
Explanation:
The Types of Technology
Mechanical. Electronic. Industrial and manufacturing. Medical. Communications.The pros and cons of technology
Pros
1.Improves efficiency for Business
The best advantage of any technology is that it increases the efficiency of a business process. We can perform more tasks in less time. From shared drives to emails, communication, coordination, execution and implementation of a lot of business processes has become swift and hassle-free, all thanks to technology.
2.Saves time
it saves time as we are able to complete a task in lesser time, we can utilize the time saved for other important activities. With the help of technology activities such as cooking, cleaning, working, commuting can be done faster.
3.Better communication
In earlier times, communicating with a person belonging to a different part of the world was difficult. Think about it! Think back to the time when people had to communicate using pigeons or letters, something that took days or weeks! However today the world has come closer and one can easily connect with a person sitting in another corner of the world, all due to technology.
4.Reduces cybercrime risks
The biggest benefit of technology is to the cyber world. AI (Artificial intelligence) algorithms are qualified to detect a change in patterns that are unique from the normal pattern. Implementing AI to detect cyber-attack is still at an early stage, but with advancement in technology, one can expect to prevent it. Hence the chances of getting a cyber-attack are reduced.
Cons
There are also some disadvantages of technological advancements:
1.Extreme dependability
With each passing day, we are becoming more and more dependent on technology for almost every task without even realizing it. A common example of this is using a cab service. Another example is using GPS to know the directions of any desired location.
2.Expensive
Although technology is already a part of many people’s lives, there are still some people out there who cannot afford some technologies. Many technologies that are being used by the organizations are expensive.
3.Shortage of jobs
With technology, the efficiency of a task has increased tenfold and this is the reason why the technology might be able to replace humans soon. An increase in technology is going to ensure that tasks that humans could do earlier can now be achieved by machines and technology. Thus, creating a shortage of jobs.
4.Malfunctions
The biggest disadvantage of technology is that all are machine driven. And a minor lapse in the functioning can create a situation that cannot be controlled. So, a minor malfunction may cause a complete failure which can cost a human life as well.