What organisims have a cell membrane

Explain what humidity indicates with weather

What part of the water cycle is it called when an animal drinks water?

if the strand of DNA with the sequence TTA mutated to TTG, would this be a silent or missense mutation

Explain why the disappearance of the grasshopper would hurt the frogs in the ecosystem more than the snakes.

You are not required to construct a hypothesis for the phase change lab report True False

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