Which of the following is not a type of swimming reptile?
a) ichthyosaurus
b) placodunts
c) nothosaurus
d) none the above

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

Achemical that is released by an animal as a signal to other members of the same species is called a pheromone. t or f

16 select the correct answer from each drop-down menu. sharks, whales, and dolphins share similar features such as body shape and the position of fins. hoy while whales and dolphins have lungs. these differences indicate that the organisms share a comme whales also possess a vestigial pelvic bone. the presence of the pelvis bone may indicate that whales reset next