How does energy usually flow in ecosystems?

A. from producers through the Sun to consumers

B. from the Sun through consumers to producers

C. from the Sun through producers to consumers

D. from consumers through the Sun to producers

In a strand of dna if the percentage of thymine is 30 what would be the percentage of cytosine

Which of the following is not true of density? a. density depends on mass and volume. b. density describes how tightly packed the particles are. c. density changes with gravity.

You are performing experiments on viruses. You have a variety of enzymes in your lab that target different organelles or macromolecules. Which enzyme will be most effective in destroying viruses?

35 PTS! Which strategies are recommended to conserve and manage water? Check all that apply. 1. Stop using water in all areas of life. 2. Use technology to produce clean water. 3. Use water wisely at home and in industry. 4.

How does a baby's respiration and circulation change when the baby is born? A. The circulatory system pumps blood for the first time. B. The baby now breathes oxygen instead of carbon dioxide. C.

In hot weather, the testes are protected from the heat by relaxation of the dartos muscle. relaxation of the dartos muscle, contraction of the cremaster muscle, and movement to the outside of the pelvic cavity are all correct.

Suppose two species live in close contact with each other. one species benefits by eating the tissues of the other, and the other is harmed (by having its tissues consumed). the ecological interaction between these species is an example of

Serious systemic fungal infections and parasitic infections usually only develop in individuals who are

This is a Horse Breeding question, If you breed a Sorrel Appaloosa horse to a solid Bay Paint, what color foals would you most likely get? Sire is Sorrel Appaloosa and Dam is a Solid Bay Paint.

What enzyme is responsible for adding new nucleotides to the dna template strand?