Because plate movements have raised ancient sea floors above sea level

Some have cell walls with lipopolysaccharide. a. Archaea b. Bacteria c. Both Archaea and Bacteria

Why are dark green vegetables such as kale and spinach good sources of vitamin a? why are dark green vegetables such as kale and spinach good sources of vitamin a? they contain vitamin c precursors of retinol.

When substances are put together, broken into their most basic particles, and spread evenly through another substance they form a?

If nondisjunction occurs and individual survives, which disorder can occur

How many chromosomes does a human sperm cell or egg cell contain?

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