Why is it believed that the storage of food for later use is an example of convergent evolution across species of birds

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b. diffusion c. endocytosis d. exocytosisc. endocytosis