Answer:
cold
Explanation:
which statement best explains why some cells in the reproductive system only respond to certain hormones
Answer:
These cells have specific types of receptors on their membranes.
Mosquitoes can often transmit viruses from one organism to another, acting as _______ of the virus.
A. symbionts B. parasites C. bacteriophage D. vectors
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Mosquitoes can often transmit viruses from one organism to another, acting as VECTORS of the virus.
Answer
(D). vectors is a correct answer
Explanation:
A vector transferred the infected agent from the animals which are infected to the human, which results in vector-borne disease.Mosquitoes are one of the examples of the biological vector which causes vector-borne diseases by carrying an infectious agent they transfer to the human through its bite.Disease which is transmitted by the mosquitoes is dengue, yellow fever, malaria, etc. Thus this how mosquitoes can transmit viruses from one organisum to another by acting as biological vector which carry infectious agent.What can be classified as
macronutrients,micronutrients,and water
Final answer:
Macronutrients include carbohydrates, proteins, lipids, and water, which the body needs in relatively large amounts. Micronutrients include vitamins and minerals that the body needs in smaller amounts.
Explanation:
Macronutrients are nutrients that the body needs in relatively large amounts. They include carbohydrates, proteins, lipids, and water. Carbohydrates are the body's main source of energy and can be found in foods such as bread, rice, and potatoes. Proteins are essential for growth and repair of tissues and can be found in foods like meat, fish, and beans. Lipids, also known as fats, provide energy and insulation and can be found in foods like butter, oil, and nuts. Water is essential for many bodily functions and can be obtained from beverages and foods with high water content.
Micronutrients are nutrients that the body needs in smaller amounts. They include vitamins and minerals. Vitamins are organic compounds that help regulate various physiological functions in the body. They can be obtained from a variety of foods such as fruits, vegetables, and dairy products. Minerals are inorganic substances that are necessary for proper bodily functions. They can be found in foods like meat, dairy products, and leafy greens.
Which would be a result of increased deforestation?
A. The amount of oxygen in the atmosphere would increase.
B. Global warming would increase due to higher CO2 levels.
C. Nitrogen fixation would increase as bacteria died.
D. Fossil fuels would become more common underground.
Answer:
Global warming would increase due to higher CO2 levels. (B.)
Answer:
B. Global warming would increase due to higher CO2 levels.is the correct answer.
Explanation:
deforestation result in a Global warming would increase due to higher CO2 levels.
deforestation is cutting or removal of trees, When all the forest is cleared then only a few trees are left to remove the gases such as carbon dioxide and the carbon stored in the trees is then released into the air in the form of carbon dioxide which causes global warming.
which is a gamete
A. cervix
B. egg
C. embryo
D. estrogen
Answer:
Egg
Explanation:
Apex
What causes differences in air pressure? the windchill factor the horizontal movement of air the speed at which wind moves the unequal heating of Earth’s atmosphere
Answer:
D) unequal heating of the earths atmosphere
Explanation:
Can't explain taking timed test, But I did get this question correct in an assignment.
Hope this helped!
Have a good day!
The unequal heating of Earth's atmosphere causes differences in air pressure. Hence, option D is correct.
What is air pressure?Everything you touch is pressed upon by the weighty air that surrounds you. This pressure is referred to as air pressure or atmospheric pressure. It is the force that the air above a surface applies to it while gravity pulls the surface toward Earth. A barometer is frequently used to measure atmospheric pressure.
The molecules and atoms that make up the many layers of the atmosphere are continually moving in arbitrary directions. Despite their small size, when they hit a surface, they apply pressure that humans perceive as a force.
The unequal heating of Earth's atmosphere causes differences in air pressure. Hence, option D is correct.
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When is a hurricane considered to have made landfall?
A. When at least one inch of rain occurs
B. When the eye reaches the land mass
C. When the outer wind bands make landfall
D. When it moves inland from the coast
Select the correct answer from each drop-down menu. Because vitamins carry out various functions in the body, deficiency of different vitamins can have varied effects on the body. The primary role of vitamin D in the body is , and its deficiency may result in .
Answer:
Primary role of vitamin D is to absorb calcium. It along with calcium, helps to keep bones strong. It also help to make the bone brittle.
Deficiency of vitamin D causes the bones to lose their strength. If body does not get enough vitamin D, then absorption of calcium is lost resulting in osteoporosis in adults and rickets children.
Answer:
Because vitamins carry out various functions in the body, deficiency of different vitamins can have varied effects on the body. The primary role of vitamin D in the body is calcium absorption, and its deficiency may result in rickets.
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Horizontal gene transfer can occur through several mechanisms. Why is this relevant to humans?
A. Bacteria can divide quickly using binary fission.
B. Bacteria can exchange genes for resistance to antibiotics in this way.
C. Viruses can infect bacteria, inserting their genetic material into the bacterial DNA.
D. Bacteria are never beneficial to humans.
All animals are
A. autotrophs.
B. heterotrophs.
C. polytrophs.
D. biotrophs.
Species can vary in several ways. Which of the following is one of Darwin's ideas that was accepted by most scientists of his time due to the large number of fossils being discovered at that time?
A. Species vary around the world.
B. Species have specific adaptations to their local environment.
C. Species that live in seawater can also live on mountains.
D. Species change over long periods of time.
Dinoflagellates can perform photosynthesis and provide energy for themselves and for the coral that they live near. The coral provide protection to the dinoflagellates. This is an example of a
A. parasitic relationship.
B. commensalistic relationship.
C. mutualistic relationship.
D. dependent relationship.
Dinoflagellates can perform photosynthesis and provide energy for themselves and for the coral that they live near. The coral provide protection to the dinoflagellates. This is an example of a
A. parasitic relationship.
B. commensalistic relationship.
C. mutualistic relationship.
D. dependent relationship.
The idea that viruses originated as genetic material that was able to move within a genome, eventually exiting a cell and entering another is the _______ hypothesis.
A. coevolution
B. regressive
C. recessive
D. progressive
The wings of insects, birds, and bats evolved independently but carry out similar functions. This is an example of
A. analogous structures.
B. embryonic structures.
C. vestigial structures.
D. homologous structures.
Answer:
79
Explanation:79
if you explain9
Answer:
1. B
2.B
3.B
4.C
5.C
6.C
7.A
Explanation:
B. Bacteria can exchange genes for resistance to antibiotics in this way. Bacteria can take up genetic material from other bacteria or the environment during a process called transformation. This is relevant to humans because we can modify bacterial ADN with a gene of our choice and due to this transformation process, other bacteria can take up this modified ADN. B. All animals are heterotrophs. This means we can not produce food for ourselves inside our bodies. Instead, we have to consume it from another source in nature, for example, animal meat, fruits or vegetables.B. Species have specific adaptations to their local environment. In Darwin's finches for example, he found out that very similar birds had different peaks and head shape. He wanted to find out why they were so different yet so similar. He found out that depending on the food source available on the environment, the birds had a particular shape of peaks and head so they can feed properly.This adaptations and changes allow the birds to survive in a particular local environment.C. Mutualistic relationship. A mutualistic relationship is a biological interaction in which both organisms benefit. In this particular case, the Dinoflagellates provides energy to the coral and the coral protects the dinoflagellates against predators. This question is the same as the 4th one.C. recessive. The recessive hypothesis exposes that viruses were intracellular parasites that lost the required genes for replication and maintenance. So, they depend on host cells and their replication genes and processes to live.A. Analogous structure. An analogous structure is a trait that has a similar role, but whose origin is different. In this particular case, the insects, birds, and bats have different origins and ancestors but they all evolve wings to fly.according to the endosymbiotic theory, large prokaryotic cells may have engulfed smaller prokaryotic cells over 1.5 billion years ago. if the smaller cells survived, the larger cells may have eventually evolved into eukaryotic cells. how would you describe the relationship between the original prokaryotic cells?
The original prokaryotic cells had a symbiotic relationship, leading to the evolution of eukaryotic cells with endosymbionts becoming organelles within the host cells.
This symbiotic relationship led to the evolution of the first eukaryotic cells, with the endosymbionts becoming integral organelles like mitochondria and chloroplasts within the host cells, eventually making them inseparable.
The first embryophytes in the plant kingdom???
a. Algae
b. Bryophytes
c. Pteridophytes
d. Gymnosperms
The first embryophytes were bryophytes, which include mosses and liverworts. They are considered the first land plants to have the capacity to form an embryo within protective structures. However, they lack the vasculature system seen in higher-order plants.
Explanation:The first embryophytes in the plant kingdom were bryophytes. Embryophytes are land plants that include all green plants, ranging from mosses to lush green trees. The term 'embryophyte' primarily refers to plants that are capable of forming an embryo within protective structures. The first plants to evolve this ability were bryophytes, which include mosses and liverworts.
These plants don't possess a vasculature system as seen in higher-order plants (pteridophytes, gymnosperms, angiosperms), and they don't produce seeds. Bryophytes are mostly distinguished by their life cycles, characterized by dominant gametophytes stage. They reproduce via alternation of generations where the dominant phase is the haploid gametophyte, which is contrasted with the vascular plants where the sporophytes are the dominant stage.
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children of abusive parents often learn to be aggressive by imitating their parents. This illustrates the impact of
Children of abusive parents often learn to be aggressive by imitating their parents. This illustrates the impact of cause and effect.
Sunny~ ☺
The children of abusive parents often learn to be aggressive in behavior by imitating their parents. This behavior is an illustration of the Operant conditioning.
What is Operant conditioning?Operant conditioning is also known as the instrumental conditioning. It is a type of associative learning process by which the strength of a behavior of an individual is modified by the reinforcement or punishment given by their parents. It is also a procedure which is used to bring about the learning of children.
Operant Conditioning is concerned with the non-reflexive and voluntary behaviors that are under the control of learners, and deals with the rewarding or punishing target behaviors of an individual to increase or decrease their manifestation.
Four essential quadrants of Operant Conditioning Theory include Positive Reinforcement, Positive Punishment, Negative Reinforcement, and Negative Punishment.
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most of the carbon on Earth is stored in the form of
Answer:
Gas
Explanation:
Carbon is stored as carbon dioxide gas in our atmosphere. It is in a repetitive cycle called the carbon cycle in which carbon travels from the atmosphere to humans, then back to the atmosphere.
Scientific research shows that Earth's climate is changing due to human
activities. How can scientific research on climate change help us prepare for
the future?
A. It can help us improve water conservation efforts.
B. It can help us stop storms before they occur.
C. It can help us cool down the planet before it gets too hot.
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D. It can help us find a new way to make more water.
Answer:
C. It can help us cool down the planet before it gets too hot
Explanation:
It is a fact that the human activities are changing the atmosphere. The atmosphere is warming up naturally, bu the human activities are increasing that process, which can create lot of problems in the future. The scientists can come in very handy and helpful for this problem. The scientists are constantly trying to find new solutions that are eco-friendly, and that will minimize and eliminate the human effect on the atmosphere. Lot of new inventions have been developed, and all of them have been with the purpose to cool down, or at least leave the natural process of warming of the atmosphere, while stopping the human influence. Unfortunately, it is not the problem in the technology invented by the scientist for this problem to be solved, but it is the governments and people around the world that are not willing to implement them.
Why are common names not always useful to biologists?
Answer:
One reason why many common names are not always useful to biologists is because "They can apply to more than one animal," since terms like "cat" and "dog" refer to large families of animals, not specific ones.
The DNA double helix is antiparallel. This means that the two strands
A. are parallel and are identical to each other.
B. cross over each other many times.
C. are parallel and run in opposite directions.
D. are parallel and are the mirror images of each other.
C. are parallel and run in opposite directions.
Explanation – Deoxyribonucleic acid (DNA) is double stranded molecule present inside the nucleus of the cell and has double helical symmetry. The two strands run or proceeds antiparallel to each other which means that one strand proceeds from 5' to 3' direction while the other strand proceeds from 3' to 5' direction.
It so happens because the nitrogenous base from one strand binds to its complimentary base pair of the other strand. Hydrogen bond is the bond that connects nitrogenous bases of two strands.
Answer:
C
Explanation:
Question 14 (5 points)
All organisms on earth require energy to live. Which statement best describes how ferns,
people, and flatworms obtain energy?
A.Ferns produce ATP during photosynthesis, while flatworms and people produce ATP
during digestion.
B.Ferns and flatworms absorb food from their surroundings, while people must digest food
found in their surroundings.
C.Producers such as ferns do not require a source of energy, while flatworms and humans
must consume food for energy.
D.Ferns produce glucose that can be broken down by cellular respiration, while flatworms
and people digest foods containing glucose for use in cellular respiration.
Answer:
A.
Explanation:
Ferns are a type of plant, therefore the way they obtain will be the same way as any other plant: by creating energy (ATP) during photosynthesis.
Flatworms cannot create their own energy, they're not autotrophic. Therefore, they must obtain energy by digesting any food they may find.
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BiologiaMagister
The South Korean government was led by President ..
Answer:
Syngman Rhee
He was elected the first president of the Republic of Korea from July 24, 1948 - April 26, 1960.
Syngman Rhee led the South Korean government after winning the elections in 1948.
Who was Syngman Rhee?
The very first government established in Korea was in August 1948. The First Republic of Korea was formed when the US military army ended its rule in Korea after Japanese colonialism.
In 1948, the general elections were conducted, and as a result, Syngman Rhee of the Liberal party was chosen as the first President of the Republic of Korea.
He served his term from 1948 to 1960 and was the only candidate from the Provisional Government to be elected as the President. He resigned from his post due to various reasons which led to the formation of the second Republic of Korea.
Therefore, Syngman Rhee was the President of the First Republic of Korea.
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Chlorophyll is the primary green pigment responsible for plant color. The molecule appears green because it absorbs all wavelengths of light except for green, which it reflects back for us to see. In the autumn, trees and plants undergo changes in their pigments. Which of the following best describes why we observe many trees change their color to red, orange, or yellow in the autumn?
A. As chlorophyll becomes colder, it changes its color from green to red, orange, or yellow.
B. Chlorophyll breaks down, exposing other pigment molecules we normally don't see.
C. The soil produces different nutrients in the winter that are absorbed into the plant and cause color change in the leaves.
D. Tree leaves stop producing chlorophyll in cold temperatures and produce other pigment molecules.
Answer:
The correct answer is option B, that is, chlorophyll breaks down, exposing other pigment molecules we normally don't see.
Explanation:
Leaves are colored because of the presence of the molecules known as pigments. Chlorophyll is the pigment, which makes the leaves to appear green. Chlorophyll is an essential element for plants as it helps the plant to synthesize food with the help of sunlight.
At the time of summer and spring, when there is enough amount of sunlight available, the plants produce loads of chlorophyll pigment. However, in autumn when it begins to get cooler, some of the plants stop producing chlorophyll, and those plants dissociate chlorophyll into smaller constituents. With the diminishing of chlorophyll, the other pigments begin to show their colors, and thus, the leaves turn red or yellow at the time of fall.
What is a clade?
A. A group of organisms with a shared ancestor
B. A trait that an ancestor did not have
C. A group with no shared traits
D. A trait that was passed along
Answer: A. A group of organisms with a shared ancestor
Explanation:a group of organisms believed to have evolved from a common ancestor, according to the principles of cladistics.
Clades are important because they represent a natural way to classify organisms based on their evolutionary relationships. A clade includes all of the organisms that descended from a common ancestor, and can be further divided into smaller clades based on more recent shared ancestry.
What are clades identified as ?Clades are often identified by certain shared characteristics, such as genetic traits or physical features, which are known as "synapomorphies."
Synapomorphies are traits that evolved in the ancestor of a clade and were then passed on to all of its descendants. By looking for synapomorphies, biologists can identify the members of a clade and distinguish them from other groups of organisms that do not share those traits.
One of the key benefits of organizing organisms into clades is that it allows scientists to make predictions about the characteristics of organisms that have not yet been discovered. By knowing the traits of a clade's common ancestor, scientists can infer what traits its descendants are likely to have, and can use that information to guide their search for new species.
By organizing organisms into clades, biologists can gain insight into the history of life on Earth, and better understand the relationships between different groups of organisms.
Thus, Clades also help researchers better understand the patterns and processes of evolution, and provide a framework for studying the diversity of life on Earth.
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What could explain the curve in this population growth graph?
a reduction in predators
a natural disaster
a population crash
a reduction in the birth rate
Answer:
d. a reduction in the birth rate
Explanation:
Answer:
D
Explanation:
What is the product of transcription and translation
Answer: the product of transcription is RNA, while the product if translation is polypeptide amino acid chain which form a protein
Answer:
Transcription can be defined as the process by which the the information from the DNA is copied to messenger RNA for the protein synthesis. This process takes place in nucleus.
We can say the product of Transcription is mRNA.
The process by which the information is used to build protein is known translation. Protein synthesis takes place in the cytoplasm.
The product of translation is protein.
what supplies deoxygenated blood from lower part of the body
Answer:
The superior vena cava and inferior vena cava are veins that return deoxygenated blood from circulation in the body and empty it into the right atrium. The pulmonary artery carries deoxygenated blood from the right ventricle into the lungs for oxygenation.
Explanation:
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What controls activities within a eukaryotic cell?
HELP!! Are the Earth's ocean floor and continents the same age geologically? Why or why not?
Answer:
No, the ocean floor is much younger because new crust forms there.
Explanation:
The Earth's ocean floor and the continents are not the same age geologically. The ocean floor is much younger because new crust forms there. New crust is usually formed at the oceanic spreading centers. This process takes place when the oceanic plates pull apart, and molten lava wells up from the mantle to fill the openings. This effectively functions as a recycling system for the oceanic lithosphere.
- Your license can be cancelled for failing to complete a required school.
A. True
B. False
Answer:
I believe it's true but I'm not entirely sure.
Answer: True
Explanation:
The driver's license can be cancelled for the following negligence and circumstances:
1. If the driver gives false information or identity.
2. If the driver fails to give the complete the driver school he/she will not receive a valid driving licence.
3. If the licence consists of errors.
On the basis of the above description, the given statement is true.
Albinism is an autosomal recessive condition. Which circle graph above shows the genotype probability when an albino female
mates with a male that is heterozygous for the albinism trait?
Answer choice F
Answer choice G
Answer choice H
Answer choice J
Answer:
A; Half Aa and Half aa.
Explanation:
If you make a punnett square, the two genotypes will be Aa and aa, each half.
(sorry about the messy pic)
Answer:
Answer choice F
Explanation:
Since albinism is a recessive characteristic, let's assume that it has the "aa" alleles, so an individual who does not have albinism would have the "AA" alleles if he were homozygous and "Aa" if he were heterozygous.
If an albino (aa) female were to mate with a heterozygous, non-albino (Aa) male, we could fill in a punnet squad to determine what the offspring would be like. As we can see in the punnet square attached below, the result of this crossing would be 50% offspring "Aa" and 50% offspring "aa".
Which organ controls breathing? lungs alveoli heart diaphragm
3. Roads in urban areas are generally
Answer:
parallel and intersect at right angles
Explanation:
The roads in the urban areas tend to be very well organized and constructed. They tend to be parallel to each other, and also to intersect at right angels. The reason for this kind of building of the roads in the urban areas is to make the movement in the urban areas much easier and more efficient, mostly putting the accent on the traffic. It is a fact that the traffic is a big problem in the urban areas, so by constructing the roads in a well organized manner, the traffic jam eases up and the citizens can move more easily and quickly.
Answer: C
Explanation: I am doing the class as well
The cluster of developing cells from conception until birth is called an
Answer:
I believe it's "Embryo"
Explanation:
Hope my answer has helped you if not i'm sorry.
Answer:
Embryo
Explanation:
Just took the test.
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