Cellular respiration is different than breathing because? a. it involves an exchange of oxygen and carbon dioxide b. it involves a chemical reaction c. it occurs in all living things d. it releases carbon dioxide as a waste

2. if scientists identify an animal with bilateral symmetry and no segmentation, which phylum can it definitely not belong to? a. roundworms b. annelids c. mollusks d. flatworms

Which of the following is a common danger of commercial fishing?

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.