What effect of acid rain on a ecosystem

is

What is an organ made of?

Prokaryotes reproduce asexually through the process of Eukaryotic cells reproduce asexually through the process of

Which statement explains how determining the age of the remains of living things is similar to dating rocks?

why do some scientists theorize that global warming might not be the result of increases in atmospheric carbon dioxide

Which of the following is an old-world of evolution and no longer valid?

What do amoeba proteus, dinoflagellate, and euglena viridis have in common? a. they all can move and make their own food b. they all can move and use eye spot to locate food c. they all can move and be heterotrophic d.

How is a scientific hypothesis best evaluated?

The overall population of a species decreased. What could have occurred to make this happen? The immigration rate increased, while the death rate decreased. The birth rate decreased, while the death rate increased.

Which of the following terrestrial biomes cannot be found in the United States? A: temperature deciduous forest B: tundra C: desert D: grassland/prairie

Which of these food sources does the bald eagle not feed on? plants fish carrion mammals