In which of the following are lipids found?

A.

in saturated and unsaturated fats

B.

in some vitamins and steroids

C.

in biological membranes

D.

all of these

Which choice describes the flow of energy in a food chain? a. grass - rabbit - wolf - sun b. wolf - sun - grass - rabbit c. sun - grass-rabbit-wolf d. rabbit - wolf - sun - grass

In what phase of meiosis are sister chromatids separated and pulled to opposite ends of the cell

A farmer sprayed pesticides on a field next to the pond. using one or more complete sentences, explain why several years later the fish population would contain higher pesticide levels than any other pond organisms would contain

Which is a product in the following chemical reaction? CH2 + 2O2 - CO2 + 2H2O

The movements of energy and nutrients through living systems are similar because

Place the tiles in order so that they describe a population undergoing natural selection. The hawks have more success in catching rabbits with white fur because they are easier to see in this habitat.

Given that water serves as an environmental thermoregulator, which of the following biomes would you expect to have the most stable temperatures? a. temperate forest b. grassland c. rainforest d. aquatic

How can energy be harnessed

The base of a pyramid is built from organisms that primarily

The disruption of which cell function leads to Gene mutations that result in cancer