Question 1 (1 point)
What 4 things are needed for sight to occur?

Galaxy whose shape seems different follow no set pattern are classified as

Read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. applying the biological species concept, the sterility of ligers reveals that a. lions are probably a subspecies of tigers b. tigers and lions are the same species c. a new species called "ligers" is forming d. tigers and lions are separate species

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime