Which organism has cerebral ganglia in its head connected to ladder-like arrangements of nerve fibers? flatworm

seahorse

spider

frog

The condition in which joints are inflamed is bursitis select the best answer from the choices provided ot f

Pepsin is an enzyme in the stomach that breaks polypeptides into amino acids. pepsin functions best at a ph of around 1.5. what would be the most likely result if the ph of the stomach were increased to 5

Number and variety of living organisms includes genetic, species, and ecological types