1.The expansion of the Mexican wolf population in Arizona raises the possibility of the formation of a hybrid zone with coyotes along the boundaries of their range. Which statement, if true, would most likely result in the formation of a stable hybrid zone?

A.
Coyote-wolf hybrids are less fit in the hybrid zone than either parental species.

B.
Coyote-wolf hybrids are more fit in the hybrid zone than either parental species.

C.
Coyote-wolf hybrids are less fit outside the hybrid zone than either parental species.

D.
Coyote-wolf hybrids are more fit outside the hybrid zone than either parental species.


2.How would a drought in Arizona most likely affect the population density of the Mexican wolf population?

A.
The population density would decrease because insufficient abiotic factors are available to support the population.

B.
The population density would decrease because insufficient biotic factors are available to support the population.

C.
The population density would increase because sufficient abiotic factors are available to support the population.

D.
The population density would increase because sufficient biotic factors are available to support the population.

Answer:

Explanation:

third trophic level

Grasshoppers in turn are eaten by frogs, which is occupying the third trophic level. Frogs here are termed as secondary consumers.

I believe that the correct answer would be cell wall. You said that the question referred to the cell organelle within a plant cell, which is why the cell wall is correct. The cell membrane is found in animal cells while the cell wall is found in plant cells.

Answer:

The corect phase sequence shown

Gas, Liguid, Solid

Lqud, Gas, Solid

Sold, Liguid, Gas

Gas, Solid, Liquid

above i

Answer:

Not always. We are constantly learning more and more about the universe, and what we find is forever changing. these scientific laws could change at a moment's notice. While they are reliable, you shouldn't trust anything 100% all the time.

One valid inference that can be made regarding the evolution of modern horses is that : Pliohippus had teeth adapted for grazing

From the information provided in the question The modern day horse resembling the pliohippus can be inferred to have teeth which is adapted for grazing just like the pliohippus.

The pliohippus evolved from the merychippus which is classified as a grazer. because of its longer/taller teeth the pliohippus was more adapted to grazing than been a browser.

Hence we can conclude that One valid inference that can be made regarding the evolution of modern horses is that : Pliohippus had teeth adapted for grazing

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Answer:

Fever

Explanation:

Symptoms can last for seven days

Six hours to six days after infection, symptoms typically appear and continue for four to seven days. On the other hand, some people feel symptoms for a few weeks after infection, while others do not.

Infection with salmonella is typically brought on by ingesting raw or undercooked meat, poultry, eggs, or egg products, as well as by consuming unpasteurized milk.

The incubation period—also referred to as the latency period—can last anywhere from six hours to six days.

In addition to causing diarrhea, the acute inflammatory reaction can result in mucosal damage and ulceration. The germs have the potential to spread from the intestines and result in systemic illness.

Diarrhea, fever, and cramps are the most common symptoms of Salmonella infection.

Therefore, Symptoms can last for seven days.

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Answer:

The statement is true

Penguin is an animal that is native to a different part of the world other than the other two

Native species refers to species of organisms that of a particular origin. They are organism found in a location where they are native to or have there origin there .

Therefore, Penguin is an animal that is native to a different part of the world other than the other two

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A variation that results in increased fitness is more likely to be passed on  because the individual will reproduce. thus option B is correct.

Genetic diversity is endlessly possible as a result of sexual reproduction. In other words, sexual reproduction produces genetically distinct offspring. They are different from one another as well as from their parents.

Variation will be passed on through reproduction. reproduction results in genetic variation which increase the chance of survival of new organisms.

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Answer: Its C

Explanation:

Because those individuals are more likely to survive long enough to pass on their variations.

Replicability is the repetition of the experiment by other researchers who get the same results as the original experiment. B) Other students repeat the same procedure on other potatoes.

Following the scientific method, an experiment needs to be replicable.

Replication refers to the need of repeating a research study, under different situations, different subjects, and with different researchers to determine the safety of the original findings and their possibility of generalizing them to other situations and participants.

Replicability is the possibility of carrying out the same experiment by other researchers. When repeating the experiment, results should be the same, or with a minimal variation. Results heterogeneity should be minimal.

Option B is correct. Have other students repeat the same procedure on other potatoes.

The exact same experiment will be repeated by different students -researchers- and their results should be the same as the ones of the first student -potatoes are 40% water-.

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The sharp features of this mountain was caused by glacial ice and is denoted as option C.

This is an elevated landform on the earth surface with a characteristic steep slopes present in the area.

Swiss alps is located in cold temperate regions with features such as glacial ice which is responsible for the sharp parts of the mountain via erosion.

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Answer:

1. Viruses are unable to respire

2. Viruses are unable to excrete

Explanation:

Both respiration and excretion are essential parts of the life processes of living organisms. Viruses, however, are unable to perform these processes and are therefore considered non-living.

Answer:

Mitosis, Daughter Cells

Explanation:

Mitosis is the process in which a eukaryotic cell nucleus splits in two, followed by division of the parent cell into two daughter cells. The word "mitosis" means "threads," and it refers to the threadlike appearance of chromosomes as the cell prepares to divide.

Answer:

The endocrine system is the collection of glands that produce hormones that regulate metabolism, growth and development, tissue function,

reproduction, sleep, and mood, among other things.

Explanation:

Answer:

Cells devide because in order to meet the requirements of the body.

The body need to grow and every part of a body needs cells for their functions.

The action of phagocytes is considered a nonspecific response because it is not a response to a specific type of pathogen. Thus, the correct option is D.

Phagocytes may be defined as a type of cell that swallows and consumes foreign materials, or any microorganisms or their debris and eliminates it.

Phagocytes perform a process known as phagocytosis to engulf non-self agents and destroy them completely. It is non-specific because they usually give the same response to all kinds of antigens.

Therefore, the correct option for this question is D.

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Answer:

neutrophils are responsible for destroying or neutralizing pathogens

Answer:

Baked Potato

Explanation:

since the potato contains a high amount of carbohydrates

at about 37 grams

hope this helps:)

The image is NOT found here but fish overexploitation may even lead to the extinction of the total fish population.

The expression fish overexploitation is associated with the unresponsible use of fish resources (not only for consumption).

Fish overexploitation is a serious problem and it may lead to the disappearance of fish populations (even extinction).

In conclusion, the image is NOT found here but fish overexploitation may even lead to the extinction of the total fish population.

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Answer: Rosalind Franklin used X-ray crystallography in her study of the DNA Molecules.

Answer:

Here is the ans hope it helps:)

Answer:

Oxygen and Glucose

Explanation

CO2+H20-------->C6H1206+6O2

Answer:

genotype ratio = 1AB:1BO

phenotype ratio = 1 type AB blood: 1 type B blood

Answer: B

Explanation: Degrees Celsius to kelvins

Answer:

Celsius to Kelvin

The Celsius and Kelvin scales have the same size degree, but have different 'zero' or starting points. The freezing point for water is C and 273 in the Kelvin scale.

Gram per gram, lipids provide the most calories. group of answer choices alcohol proteins lipids carbohydrates. Thus, the correct option is C.

A lipid is defined as any of a number of chemical molecules that are water insoluble. They are energy-storage molecules and chemical messengers that include fats, waxes, oils, hormones, and some membrane components.

Lipids are fats that offer nine calories per gram to the body, making them the most energy-dense component of food.

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Answer: Because, if there was erosion, the earth could not get in touch with inner land, so erosion can happen on coastlines, rivers, canyons, or any thing that has a body of water.

Explanation: