Answer:
Endocrine system uses chemical signaling (hormones produced by glands) while the nervous system uses electrical signaling (neural impulses).
The roundworm body cavity is pseudocoelomic, whereas the planarian body cavity is acoelomic.
Answer:
Photosynthesis occurs inside pigmented organelles called chloroplasts. Chloroplasts are orgnalles found in plant cells. They capture light energy to conserve energy into ATP.
B) Genotypes are directly selected
