Why do populations have variation in certain traits?

A. Different individuals have different alleles.

B. Different individuals have identical genes.

C. Some populations have high mutation rates.

D. Some populations never have genetic drift.

A cross between a blue blahblah bird & a yellow blahblah bird produces offspring that are green. The color of blahblah birds is determined by just two alleles.

What is the mass of an isotope of chlorine with 18 neutrons

Which of the following statements correctly describes enzymes? (Select all that apply.) A. They are used up during the reaction. B. They speed up chemical reactions. C. They become part of the product. D. They only react with a specific substrate.

A deficiency of carnitine results in muscle cramps, which are exacerbated by fasting or exercise. give a biochemical explanation for the muscle cramping, and explain why cramping increases during fasting and exercise.

A combination of two or more tissues working together to preform a specific job in the body

Reducing the volume of a gasits pressure if the temperature of the gas and the number of particles are constant.

Salt deposits form on a car in the winter. Over time, the salt covers more of the car. Is the salt alive? a. Yes, salt deposits are alive because they maintain their structure. b. No, salt deposits are not alive because they do not reproduce. c.

Belinda recently completed a treatment program for breast cancer. For the last year, she took a drug treatment that worked to interfere with rapid cell division; what type of cancer treatment did Belinda undergo?

What do scientists call the theory that the universe will shrink in the future?

Which types of stress on the earths crust is due to tectonic plates colliding?