Populations and Communities Part 1

Match it! Select the correct answer from the pull down...Good luck!

An organism's specific role in its habitat is called its ____.

A symbiotic relationship in which one species benefits and the other species is neither helped nor harmed.

Every organism has a variety of ____ that enable it to live successfully in its environment.

Behaviors and physical characteristics of species that allow them to live successfully in their environment.

The nonliving parts of an ecosystem.

All the different populations that live together in an area.

If a population is very large or spread out, ecologists use the ____ method to estimate the population size.

The entire beach measures 60 meters by 30 meters. Estimate the total population of sand crabs on the entire beach.