What Is Life? 2nd Edition by Jay Phelan

Exercise 17

Polygynous species:
A) usually employ external fertilization.
B) are usually sexually dimorphic, with males larger and more highly ornamented.
C) are usually sexually dimorphic, with females larger and more highly ornamented.
D) usually have males and females that are physically indistinguishable.
E) are more commonly found among birds than among mammals. Short-Answer Question