Vocab

Question 1

Adaptive radiation

Answer 1

Rapid increase in the number of species with a common ancestor, characterized by great ecological and morphological diversity.

Question 2

Artificial selection

Answer 2

Evolutionary process in which humans consciously select for or against particular features in organisms

Question 3

Autosome

Answer 3

Any chromosome that is not a sex chromosome.

Question 4

Fossil

Answer 4

The remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.

Question 5

Homologous structures

Answer 5

Species that have similar structure but not necessarily same function.

Question 6

Analogous structure

Answer 6

Has same function but not same structure or descend from same ancestor.

Question 7

Keystone species

Answer 7

A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.

Question 8

Mimicry

Answer 8

When one part of an organism’s body resembles another part

Question 9

Morphology

Answer 9

The science of the form and structure of organisms

Question 10

Niche

Answer 10

The functional role played by an organism in an ecosystem.

Question 11

Parasitism

Answer 11

A symbiosis in which one organism, the parasite, causes harm to another, the host, which the parasite utilizes as habitat and depends on for resource acquisition

Question 12

Ring species

Answer 12

A situation in which two populations that do not interbreed are living in the same region and connected by a geographic ring of populations that can interbreed

Question 13

Symbiosis

Answer 13

Interaction between two different organisms living in close physical association, typically to the advantage of both.