What does biodiversity describe?

a) the number of species on Earth

b) the number of individual organisms on Earth

c) the number of populations on Earth

d) the number of communities on Earth

In which form do plants store energy? a. starch b. glycogen c. chitin d. cellulose

Consumers are organisms that what?

Which of the following IS an example of a nonrenewable resource? cotton lumber chicken iron

4) Define transcriptional - translational coupling. What prokaryotic cell structural and genomic characteristics allow for coupled transcription - translation? What is the result of this coupling and why is it advantageous for prokaryotic cells?

Which of the following is a cost associated with free trade? A. It will increase the availability of diverse products. B. It will increase global trade. C. Companies may move production to other countries. D. Consumers will pay lower prices.

4. A tree dropping its leaves in the fall to conserve water and avoid freezing during winter is an example of?

Which is a single-celled fungus? A. mold B. mushroom C. alga D. yeast

Explain problems with using low-tar, low-nicotine cigarettes.

Some students are comparing the parts of a cell to the parts of the body. Which part best represents the cell membrane and why?

What is the difference between the nitrogen and carbon cycles?