Birds differ from earlier vertebrates by ____.
A) the presence of feathers
B) producing land eggs
C) the ability to maintain a constant body temperature through metabolic activities
D) the ability to fertilize eggs internally
E) their possession of a dorsal nerve cord
Correct Answer:
Verified
Q22: Q22: Choose the one most appropriate letter for Q23: Egg-laying mammals _. Q24: Choose the one most appropriate letter for Q30: A great adaptive radiation of mammals began Q30: Which group of mammals exhibits the widest Q31: Four of the following statements about snakes
A) hatch fully developed
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents