What are birds and mammals?
A. Thermoconfirmers and osmoconfirmers
B. Thermoconfirmers and osmoregulators
C. Thermoregulators and cold-blooded animals
D. Thermoregulators and osmoregulators
Answer:D
What are birds and mammals?
A. Thermoconfirmers and osmoconfirmers B. Thermoconfirmers and osmoregulators C. Thermoregulators and cold-blooded animals D. Thermoregulators and osmoregulators