Which biome is characterized by very low temperatures, little precipitation, and permafrost? A) desert B) temperature forest C) tundra D) tropical rain forest

Answers

Answer 1
Answer: C) Tundra without a doubt, the tundra biome is very cold year-round and, in some cases especially in Antarctica, can has no visual of the sun for months at a time.
Answer 2
Answer: c) tundra 
is characterized by very low temperatures, little precipitation , and permafrost.



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Answers

Answer:

a keystone species

Explanation:

A keystone species is a species that plays a key role in the balance of the entire ecosystem. Some examples of keynote species that are critical for their ecosystems include sharks, African elephants, sea otters, etc. The most important feature that defines a keynote species is the fact that these species have a huge influence on the food web dynamics. Moreover, keystone species are also characterized by a low functional redundancy (ie., they cannot be replaced by other species within the ecosystem).

A man heterozygous for blood type A marries a woman heterozygous for blood type B. The chance that their first child will have type O blood is??

Answers

The chance that their first child will have type O blood is 25% since the genotypes of offsprings are I^(a)i, I^(b)i , I^(b)i , ii.

What is a blood group?

An allele is a particular form of genetic information that can be found in our DNA at a particular spot on a certain chromosome. This form of genetic information is known as an allele. IA, IB, and i are the three distinct alleles that can determine a person's blood type. I is the most common. These three alleles can be referred to as A (for IA), B (for IB), and O for the sake of simplicity (for i).

Therefore, when a man heterozygous for blood type A marries a woman heterozygous for blood type B the chances that their first child will have type O blood is 25% since the genotypes of offsprings are I^(a)i, I^(b)i , I^(b)i , ii.

Learn more about blood groups, here:

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A man heterozygous for blood type A marries a woman heterozygous for blood type B. The chance that their first child will have type O blood is??

%25

Which of the following is a true statement?a. Cellular respiration occurs only in plant cells.
b. Cellular respiration occurs only in animal cells.
c. Cellular respiration occurs in both plant and animal cells.
d. Cellular respiration occurs in some plant cells and some animal cells.

Answers

The answer is C, cellular respiration needs to occur in all living organisms.

In cells, hydrogen peroxide is converted to water and oxygen through the activity of

Answers

The right answer is enzymes (catalase).

Catalase is an enzyme that allows the dismutation of hydrogen peroxide (hydrogen peroxide) in water and oxygen.

The oxygen-oxygen bond of the hydrogen peroxide is cut off by the iron atom of the heme group, creating a molecule of water and a highly oxidizing iron-oxygen bond. This can oxidize a new molecule of hydrogen peroxide, giving oxygen. The enzymatic reaction at play is one of the fastest known.

Within the cell, catalase helps protect the body from the oxidative and harmful action of hydrogen peroxide.

In cells, hydrogen peroxide is converted to water and oxygen through the activity of enzymes.

Why do we need classify organisms?

Answers

To understand and separate organisms, which would help in the case that something were to happen to any organism, and with classification, we would be able to use the knowledge to help or get rid of it.

Why do you think that parasitism exists, when one of the organisms is harmed by the relationship?

Answers

Because although one organism is harmed, the other benefits. So the organism that benefits won't stop the action that is harming the other. Hope that makes sense!