1. cellular respiration and photosynthesis are reactions. a) branched b) cyclic c) dead-end 2. the purpose of cellular respiration is to a) change the suns energy into chemical energy b) convert glucose to atp c) store carbohydrates

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?

Ecology can best be described as the study of what

In a population that is in hardy-weinberg equilibrium, there are two possible alleles for a certain gene, a and a. if the frequency of allele a is 0.4, what fraction of the population is heterozygous? a. 0.40 b. 0.60 c. 0.16 d. 0.48