Review the chart, which shows the population sizes of three African animals in 1990 and in 2000.
1990 → 2000
Lions . 100,000 .→ 47,000
Cheetahs 50,000 → 7,500
Zebras 15,000 → 2,500

Which explanation is best supported by the numbers in the chart?
A)Lion and cheetah populations compete for the food source of zebras, and lions outcompete cheetahs.
B)The dwindling zebra population has led to the decline of the predator lion and cheetah populations.
C)Overhunting of lion and cheetah populations has led to a decline in the food source population.
D)Lion and cheetah populations compete for the food source of zebras, and cheetahs outcompete lions.

Answers

Answer 1
A)Lion and cheetah populations compete for the food 

Related Questions

If a cell synthesizes large quantities of protein molecules, which organelles might be numerous in that cell?

Answers

Ribosomes, because they produce protein for the cell. 

Answer:

The correct answer will be- ribosomes

Explanation:

The organelle associated with the synthesis of the protein molecule is known as the ribosomes which provide the site for the process of translation.

The organelle is composed of rRNA and the lipoproteins arranged in the two subunits: the larger subunit and the smaller subunit.

Both the subunit contains the complexes which translate the codings of the mRNA and translate them to amino acid through tRNA and form peptides.

Thus, ribosome is the correct answer.

Vitamin c assists in the formation of the most abundant body protein, which is __________.

Answers

the correct answer to your question is C, Collagen I hope this helps you out let me know. 

The client with rapid-cycling bipolar disorder who is about to receive his 1700 hours dose of carbamazepine tells the nurse he has a sore throat and chills. what should the nurse do next

Answers

The nurse should call the physician to report these symptoms. These could be part of a larger issue that the doctor would need to take a look at and take care of before administering the next dose of Tegretol to the patient.

The concentration of atmospheric carbon dioxide is currently decreasing due to human activities. Please select the best answer from the choices provided T F

Answers

Your Answer would be FALSE
The answer would be false, i hope this helps

In a dna double helix an adenine of one strand always pairs with a(n) _____ of the complementary strand, and a guanine of one strand always pairs with a(n) _____ of the complementary strand. in a dna double helix an adenine of one strand always pairs with a(n) _____ of the complementary strand, and a guanine of one strand always pairs with a(n) _____ of the complementary strand. uracil ... cytosine cytosine ... thymine guanine ... adenine thymine ... cytosine cytosine ... uracil

Answers

Adenine to Thymine
Guanine to Cytosine

What do you predict would happen if the yeast had a mutation that prevented the g protein from binding gtp? what do you predict would happen if the yeast had a mutation that prevented the g protein from binding gtp? no shmoo would form in response to mating factor. phosphorylated fus3 kinase would accumulate in the cell in the presence of mating factor. shmoos would form even in the absence of mating factor. mating factor would be unable to bind to the g protein-coupled receptor?

Answers

If yeast had a mutation that prevented the G protein from binding to to the GTP it is not unreasonable to predict that the G protein would bind with another amino acid to form a complete protein for the yeast. It could potentially interfere with yeast's reproduction as well.

The ______ _______ surrounds the nucleus and separates it from the cytoplasm.

Answers

The nuclear envelope surrounds the nucleus and separates it from the cytoplasm. It has pores allowing material to move in and out, but is fairly secure to prevent harm to the nucleus and nucleolus. 
Final answer:

The nuclear envelope surrounds the nucleus, separating it from the cytoplasm, and regulates the transport of molecules.

Explanation:

The nuclear envelope surrounds the nucleus and separates it from the cytoplasm. The nuclear envelope, or nuclear membrane, is a double-layered structure that provides the nucleus - the cell's control center - with a barrier from the rest of the cell. This helps protect the DNA inside the nucleus and regulates the transport of molecules in and out of the nucleus through nuclear pores.

The primary role of the nuclear envelope is to compartmentalize the nucleus, creating a distinct environment for the genetic material (DNA) inside. This separation is crucial because it protects the DNA from potential damage that could result from various cellular processes occurring in the cytoplasm.

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Air moves into the lungs when the air pressure in the lungs is than the air pressure outside of the lungs this occurs when the muslces of the diaphragm

Answers

Air moves into the lungs when the air pressure in the lungs is lower than the air pressure outside of the lungs. This occurs when the muscels of the diaphragm contract.

You can see this by breathing in and out deeply. When you breath in you can feel your chest being pushed up and out by your diaphragm. The reason the pressure in the chest is lower is that when you breathe in you are increasing the volume of your chest. As there is the same amount of air in your chest the pressure decreases.

How has the Gila Monster adapted to the breeding patterns of its prey the Gambel quail and desert cottontail rabbits?

Answers

As the Gila monster consumes the eggs or young of the desert cottontail and Gambel's quail, thus its main food supply is only accessible for a restricted time duration every year. However, for this, the Gila monsters exhibit three adaptations, which elevate their survival rate in the desert condition.  

First, is that they possess huge bodies, and can consume greater concentrations of food during a small period. Secondly, they require to feed infrequently as they can accumulate fat in their tails. Ultimately, their rate of metabolism is very low, so that they can burn their reservoirs of fat gradually.  


Final answer:

The Gila monster has adapted to the breeding patterns of its prey, the Gambel quail and desert cottontail rabbits, by using its fat tail as a storage depot for water.

Explanation:

The Gila monster has adapted to the breeding patterns of its prey, the Gambel quail and desert cottontail rabbits, by using its fat tail as a storage depot for water. The dry climate where the Gila monster lives can make water scarce, so having a fat tail allows it to store water for long periods of time. This adaptation helps the Gila monster survive in its environment and ensure it has access to water even when its prey may not be abundant.

If you feel feverish, why can't you take your own temperature with your hand?

Answers

When you're feverish, your  whole body is with a higher temperature than normal.  The reason  you can't take your own temperature with your hand is because the hand is the same temperature as your head/face. You won't be able to detect a difference in temperature between them.

You cannot take your own temperature with your hand when feverish because your hand will be as hot as your body.

  When your feel feverish you will most likely run a high temperature and your hand been part of your body will also experience a high temperature. when you use your hand you wouldn't feel the difference in temperature.

  The best tool to use when taking your own temperature is a thermometer because it is used to measure the degree of hotness or coldness of a body.

Hence we can conclude that you cannot take your own temperature with your hand when feverish because your hand will be as hot as your body.

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in which part of the sea horse's cells is ATP produced?

Answers

The answer is: mitochondria.

Mitochondria produces adenosine triphosphate (ATP), a molecule that the cells use as a source of energy. Through a process called cellular respiration, the mitochondria oxidases glucose to obtain the ATP. There are three main steps to this process: glycolysis, the Krebs cycle, and ATP Synthesis.

The part of an enzyme molecule where a substrate molecule attaches

Answers

This part of the enzyme is known as the active site. Enzymes are organic molecules that catalyze certain chemical reactions in the body. A catalyst is any chemical that speeds up another reaction without being used up in the reaction itself. This means that at the end of the reaction the enzyme is able to operate on other molecules in another reaction.

The author indicates that caloric reduction extends the life of a mammalian cell by

Answers

Initiating a series of steps that result in the increased production of certain enzymes.

The chemistry of aquatic ecosystem is determined by the amount of what?

Answers

The chemistry of the aquatic ecosystem is determined by the amount of nutrients and salt in the water. Different concentrations of nutrients and salt give the water different chemical properties. The chemistry is also impacted by the amount of oxygen in the water.

Answer:

by amount of salts, nutrients, and oxygen dissolved in the water.

Explanation:

Describe the body cavities and what organs are found in each

Answers

The body cavities that make up our body are:

Thoracic cavity. In the thoracic cavity you have your lungs and your heart and diaphragm.

Cranial cavity. Holds your brain

Abdominal cavity. This cavity holds your kidneys, stomach, pancreas, gallbladder, appendix, spleen and liver

Abdominopelvic cavity. This holds your bladder, reproductive organs

Spinal cavity. This holds your spine and all the nerves associated within.


The whole body is divided into two cavities where are the dorsal and the ventral cavities.

The dorsal (back) cavity holds the cranial and vertebral cavities.

The ventral cavity holds the abdominal cavity, thoracic and adominopelvic cavity.

Final answer:

The body cavities in vertebrate animals are the dorsal and ventral cavities. The dorsal cavity contains the cranial and spinal cavities, while the ventral cavity contains the thoracic and abdominopelvic cavities. These cavities house various organs in the body.

Explanation:

The body cavities in vertebrate animals are the dorsal and ventral cavities. The dorsal cavity contains the cranial and spinal cavities, which house the brain and spinal cord, respectively. The ventral cavity contains the thoracic cavity, which surrounds the lungs and heart, and the abdominopelvic cavity, which houses the abdominal and pelvic organs.

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Diane, who is breast-feeding her infant daughter, had measles as a child. her daughter will be protected from the disease because of the _____ in diane's breast milk.

Answers

Your answer is antibodies

Which chordate characteristic is visible on the outside of an adult cat?

Answers

The spine (or vertebrae) is visible on the posterior (dorsal) part of the cat's body. This is actually due to the bony spinous processes of each vertebra projecting out, which serve to protect the spinal cord and also allow body movements by muscle attachments.

He distribution of water on earth. where is most of the fresh water located?

Answers

He distribution of water on earth. where is most of the fresh water located?

Answer: about 97 percent of all water is in the oceans. The middle bar shows the distribution of that three percent of all Earth's water that is freshwater. The majority, about 69 percent, is locked up in glaciers and icecaps, mainly in Greenland and Antarctica.

A factor that promotes maximum production of atp in cellular metabolism is the presence of

Answers

The answer to this question would be: oxygen

The presence of oxygen allows the cell to do the aerobic reaction. Using in metabolism will result in a much higher number of ATP produced. 
When there is no oxygen, the cells make energy using the anaerobic reaction that gives a low number of ATP.

How do mountain ranges affect precipitation? Give an example.

Answers

Mountains can also affect precipitation. Mountains and mountain ranges can cast a rain shadow. As winds rise up the windward side of a mountain range, the air cools and precipitation falls. On the other side of the range, the leeward side, the air is dry, and it sinks.
the water/snow is higher and it can go into the air faster.

What is an example of a changing biotic factor?

Answers

One example would be the number of predators present in an ecosystem because say for example there is a pond or lake of fish as the prey, and a vast majority of bears as the predators, the bears can easily decrease themselves by leaving the ecosystem or by passing away by being killed or hunted, and even increase the majority by reproducing or decrease the population of prey by consuming most of them and outnumber the prey with more predators.

A changing biotic factor is an element in an ecosystem involving living organisms whose impact can change over time, such as migration patterns. These changes are driven by factors like climate change and availability of resources. The resulting implications can disrupt food chains and ecological interactions within biomes.

What is an example of a changing biotic factor?

A changing biotic factor is an element in an ecosystem that involves living organisms whose presence and impact can change over time. A prominent example is the migration patterns of certain animal species. Migration driven by seasonal changes, climate change, or availability of food can significantly alter the ecosystem's composition and functioning.

What factors are driving these changes?

Several factors drive changes in biotic factors, including climate change, availability of food resources, and human activities. For instance, warming temperatures due to climate change can alter the migratory paths of birds.

What are the implications of these changes on the plants and animals in the biomes?

The implications of changing biotic factors on plants and animals in biomes can be profound. For example, the arrival or departure of certain migratory species can disrupt food chains and ecological interactions. An increase in predator populations might lead to a decline in prey species, which in turn could affect plant populations that the prey species feed on.

Complete Question:
What is an example of a changing biotic factor?

Which kind of transport do white blood cells use when they engulf and destroy bacteria?

Answers

phagocytosis, otherwise known as "cell eating". The cell takes it in by squeezing it through the cell membrane and creating a vesicle.

An infant who has undergone surgery for hypertrophic pyloric stenosis (hps) is being bottle fed by the mother. what should the nurse teach the mother about feedings to decrease the chance of the infant vomiting

Answers

The nurse should explain to the mother the infant should not be bottle fed because its not good for its health and the infant also feels uncomfortable and hesitate to drink specially who has undergone a surgery.

A 2-year-old child who is hospitalized for repair of tetralogy of fallot is seen squatting in the playroom. in response to this behavior, what should the nurse do

Answers

When a child of any age, especially a 2-year-old child, is hospitalized for the repair of tetralogy of Fallot, they may squat. It has been observed many times. It will not hurt the child in any way. Squatting will actually help the child because it gives the child better hemodynamics. It will help give more blood flow and also increases intra-abdominal pressure. The nurse should not call for help, or move the child to another position because it could cause the child more pain and be counterproductive. The nurse should only observe and assist if needed. 

What is another name for a tropical savanna?

Answers

Another name would be tropical grassland

By locating active __________, geologists determine the likelihood of earthquakes in a region.

Answers

By locating active fault lines, where one tectonic plate ends, and another begins.
fault lines is the answer
hope it helped!

The actual patterns of dna variation in humans show that african populations contain:

Answers

The actual patterns of DNA variation in humans reveal that those from African populations also contain almost all of the common DNA found in other races such as Asians, Europeans, and other novel variants. 

African populations were shown to contain alleles (genetic variations) not present in non-African populations but nearly all of the alleles common in non-African populations are present in African populations. Thus, although externally, different races may present various physical characteristics, our genes dictate that we are more similar than we actually think/believe. 

Where can earthquakes occur?



A) at a divergent plate boundary


B) at ALL plate boundaries


C) at a convergent plate boundary

Answers

b) at all plate boundaries

Answer:

The answer is B) at ALL plate boundaries

Explanation:

An earthquake is a phenomenon of sudden and temporary shaking of the earth's crust produced by the release of accumulated energy in the form of seismic waves. The most common are caused by the activity of geological faults, although they can also occur due to other causes such as, for example, friction on the edge of tectonic plates.

Facilitated diffusion is an example of _____.


passive transport


concentration gradient


active transport


osmosis

Answers

The answer in the space provided is passive transport. A passive transport occurs when there is a presence of ions or other substance moving through the cell without having any effort or means of having to use energy when passing or moving.

Final answer:

Facilitated diffusion is an example of passive transport. It's a type of passive transport that involves the movement of molecules across a cell's membrane using transport proteins, without the need for energy. It is different from active transport and osmosis.

Explanation:

Facilitated diffusion is an example of passive transport. In Biology, passive transport is a process by which anions, ions, or molecules move along a concentration gradient, which is a difference in concentration across a space or a membrane, from an area of higher to lower concentration. No energy is needed in this process.

Meanwhile, facilitated diffusion is a type of passive transport that uses transport proteins to move other ions and small molecules across the plasma membrane. These proteins change shape as the molecules or ions are carried across the membrane, without any energy requirement. Active transport, on the contrary, requires energy to move particles against a concentration gradient, while osmosis specifically refers to the movement of water.

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Process by which a neurotransmitter is reabsorbed by the terminal button of the presynaptic neuron is termed:

Answers

I believe it is reuptake.
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