Which of the following vertebrates lack exoskeleton?
A. Amphibia
B. Mammalia
C. Aves
D. Chondrichthyes
Answer: Option D
A. Amphibia
B. Mammalia
C. Aves
D. Chondrichthyes
Answer: Option D
Fusion of two gametes dissimilar in size, as in species of Eudorina is termed as
A. anisogamous
B. oogamous
C. zoogamous
D. isogamous
Join The Discussion