John Romanes (1892)
The diagram shows a type of extinct species, pterosaur, a bat, and a type of bird, a cormorant. All three organisms have wings that
look and work alike but were not evolved from a common ancestor. Which term is used to descibe body structures that look alike
and serve a similar function but are not descended from a common ancestor?
Analogous structures
B)
Vestigial structures
Evolutionary features

What must be true for natural selection to heppen

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b.through genes c. through seasonal cycles d. through hibernation