Biology
NULL
Medium
Question
Shell of egg is leathery in appearance in ___________?
A
Amphibians
B
Reptiles
✓ Official correct answer
C
Birds
D
Prototherians
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
Amphibians
No member explanations yet for this option.
B
Reptiles
No member explanations yet for this option.
C
Birds
No member explanations yet for this option.
D
Prototherians
No member explanations yet for this option.
Explanation
Reptile eggs are characterized by a leathery, flexible shell, which contrasts with the hard, calcified shells of bird eggs.