Answer:
Endocrine system uses chemical signaling (hormones produced by glands) while the nervous system uses electrical signaling (neural impulses).
Answer:
It looks like a type of mosquito...m not sure
Explanation:
Planets are massive, so we use models to easily view our solar systems in schools and homes.
Many ocean species (especially large ones like whales, sharks, and sea turtles) follow ocean currents to and from their feeding and breeding grounds.