Which of the following types of energy can be

used by all organisms? (2.4) K/U

(a) light energy

(b) thermal energy

(c) radiant energy

(d) chemical energy

Which of the following lower limb muscles plays an important role in maintaining posture?

What is the dominant vegetation of temperate rain forests?

Explain how the disposal of human waste could worsen the effects of hurricanes on coastal communities.

Why are scientific explanations subject to change?

What is the purpose of cell respiration?

Which of the following is true of both starch and cellulose? a. They are both polymers of glucose. b. They are geometric isomers of each other. c. They can both be digested by humans. d. They are both used for energy storage in plants. e.

What is hybrid inviability? What is hybrid infertility?

Muscle cells differ from nerve cells mainly because they a. express different genes. b. contain different genes. c. use different genetic codes. d. have unique ribosomes.

The butterflies shown below all belong to the same species, but one of them has inherited a rare mutation for blue wings rather than orange wings. The butterflies feed on nectar from orange flowers, and their color acts as camouflage while they feed.

A normal human karytype has