Which of the following do all acoelomates have in common?
a. symmetry
b. cephalization
c. they are astomes
d. muscle and nerve tissue
e. extensively branched digestive cavity

Which flexible structure that supports the nerve cord and led to the backbone

What happens when the cell copies its chromosomes

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.