What is the primary reason that these animals are endangered? A. habitat loss
B. hunting
C. pollution
D. accidents
(Please help me)

If the birth rate of a population of dolphins is 2.0, the death rate is 0.5, and the population size is 100, what is this dolphin's population growth?

Contrast how pollination is different among gymnosperms and angiosperms.

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.