Birds usually have a single
A. kidney
B. lung
C. testis
D. ovary
Answer: Option D
A. kidney
B. lung
C. testis
D. ovary
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
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