A tropical rain forest might be unable to return to its original climax community after which of the following disturbances?

a. burning of a forest fire

b. clearing and farming

c. volcanic eruption

d. flooding after a hurricane

The energy that animals need for their life functions is released when their cells carry out which of the following functions?

What kind of evidence do scientists now use to compare humans and chimpanzees as close relatives

In an ecosystem, material can be recycled. Which of the following materials can cycle through this ecosystem? A. water B. oxygen C. Carbon D. All of these

What is the difference between Germlines mutations and somatic mutations?

How does the spindle move sister chromatids during anaphase? a. Sister chromatids are pushed together, away from spindle poles. b. Sister chromatids are pulled toward the spindle poles. c.

Which structure in a cell makes protein

Do Genes make up chromosomes.

Foxes in the Arctic primarily eat hare. Hare eat plants, such as berries, leaves, and grass. If the plants in an Arctic area decrease in number, what will most likely happen to the populations of both the Arctic fox and the Arctic hare? A.

What is the purpose of the biogeochemical cycles?

Strong trading kingdoms emerge in w. africa because of an abundance of salt and?