Amphibians live in water and on land.

a. True

b. False

Muscle contraction occurs due to a series of specific steps that take place within the body. Which of the following steps does not occur in muscle contraction according to the sliding filament model? a.

Which products are the most effective for killing e. coli

Explain how biological diversity is increased by emergence of new species and decreased by natural selection?

How did the environment of Arabia serve as a form of protection during much of the region's history? A. Its fertile oases enabled farmers to grow enough food for themselves and for sale. B.

Which of the following could be taken in by fungi A) H2O and CO2 B) Glucose and O2

Which organelle modifies cell product packages them for distribution and then may turn into vessels in bubbles off the surface of the cell

Describe two ways in which communication in the endocrine system and in the nervous system are different and one way in which they are similar.

One of mrs. morgan's fractures is described as being located on the proximal diaphysis. which of these phrases best describes the anatomical location of this fracture?

When a cell divides in mitosis, how do the daughter cells compare to each other?

What is one main human activity that causes smog, acid rain and contributes to global warming?