Similarities and differences between an insect's life cycle and an amphibians life cycle

What is the next step in muscle contraction after the actin changes shape? (apex)

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.