Which are some characteristics of adaptive social behavior ?

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

Which of the follow describes a disadvantage secondary sources have compared to primary sources?

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?