Final Exam Review: Evolution and Intro to Population

Front

What is a species?

Back

Closely related organisms that can reproduce.

Front

Which organism is least related to birds according to the cladogram?

Back

Sharks

Front

What happens to a population if birth rate plus immigration exceeds death rate plus emigration?

Back

The population grows.

Front

Which organism is most distantly related to humans according to the cladogram?

Back

Crayfish

Front

What is the best way to determine evolutionary relationships between species?

Back

By comparing the amino acid sequences of their proteins or DNA.

Front

Define evolution.

Back

The process by which different kinds of living organisms develop and diversify from earlier forms during the history of the earth.

Front

What is a population in biological terms?

Back

A group of individuals of the same species living in a specific area.

Front

What is immigration in the context of population dynamics?

Back

The arrival of individuals into a population from other areas.

Front

What is emigration?

Back

The departure of individuals from a population to other areas.

Front

What is a cladogram?

Back

A diagram that shows the evolutionary relationships among various biological species based on similarities and differences in their physical or genetic characteristics.