A group of interacting populations that occupy the same geographic location belong to a

What is the study of the relationships that living organisms have with each other and their natural environments?

A _________ is a branching diagram that represents the proposed phylogeny or evolutionary history of a species or group.

_______ occurs when one species evolves to resemble another species.

________ are structures like the wings of insects, birds and bats that have the same function but different evolutionary origins.

___________ like the hind leg bone spurs in snakes are unused structures that are functional in other organisms.

___________ is a morphological adaptation that allows an organism to blend into their surroundings.

Anatomically similar structure inherited from a common ancestor.

A biological community and all the abiotic factors that affect it is known as a(n)

__________ is an organism whose cells contain complex structures enclosed within membranes.