Happy-faced spiders (Theridion grallator) appear in four different forms, but they are still considered individuals of the same species. What could be the appropriate justification for this? A. All four different varieties can interbreed to produce a fertile offspring. B. All four different varieties share a common habitat. C. All four different varieties can interbreed to produce sterile offspring.

Question

joppei · Answer

A. All four different varieties can interbreed to produce fertile offspring.