Cellular respiration is the process in which organisms break down food to release

The cluster of developing cells from conception until birth is called an

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.