I would say gills and webbed limbs. If they are amphibious, then I would say webbed feet and webbed arms.
Answer:
Wave C (tell me if I'm right or wrong)
Explanation:
a scientific model is a model used to test theories. sometimes scientist use rats as a scientific model
3. Process of duplication of genetic material.
Answer:
Rotifera- Microscopic animals with distinct head, neck, trunk, and foot
Bryozoa- Have a lophophore for feeding
Arthropoda- Have jointed appendages
Playthelminthes- Vibrantly colored flat-structured worms
Explanation: