Dopamine is a neurotransmitter that causes the brain to feel happy. Certain drugs stop the synapse from removing neurotransmitters. When these drugs cause an increase in the amount of neurotransmitters in the synapse, which response would be increased?

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent  

Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance