Echinoderms, like sea stars, have a nervous system. a) ring- like b) ladder- like c) nerve net

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Select the correct answer from each drop-down menu. 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.

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.