In order for natural selection to occur which conditions are necessary?

A. No mutations

B. each organism born must survive

C. no variation

D. more born than can survive

What is the transamination reaction? What is the cofactor required for the transamination reaction?

Which of the following statements is/are true? A. Homologous structures might look and function similarly. This is probably due to a common ancestor with a similar trait. B. Some homologous structures have similar morphology (shape, appearance) C.

What are some examples of failed experiments that produced valuable info?

In rabbits, black fur (B) is dominant to brown fur (b). 1. Give the genotype of a heterozygous black rabbit. 2. If a heterozygous black rabbit and a brown rabbit were crossed, what is the probability that their offspring will be brown?

One group of patients is treated with medication in a hospital. another group is treated with the same medication on an outpatient basis. the diagnoses of the two groups of patients are equally serious.

The aorta is a vein. True False

Where does the energy in food come from?

In tropical climates, why is there heavy vegetation but poor soil? a. chemicals cause the soil to be too acidic. b. heavy rainfall washes essential nutrients from the soil. c. heavy rainfall mechanically weathers the soil. d.

What is the process in which humans breed organisms for certain traits?

In which part of body is not found sebaceous glands?