An example of a population is

A group of different species that live together and interact in an environment are called a/an ________.

The average number of people per square mile

Any thing or organism that regulates the size of a population of another organism is known as __________.

One of the main characteristics of a population is its

Examples of how humans negatively affect local ecosystems are:

How does energy enter an ecosystem? 

A non-living element in an ecosystem is an

Which of the following is not a biotic factor?

A system made up of organisms interacting with one another

What is the main factor that separates the biomes?

Which biome has deciduous trees (which lose their leaves)?

Which biome has evergreen trees (which don’t lose their leaves)?

Which biome has the most variety of plants and animals?

Which of the following is not an abiotic factor?

An organism’s place in the biotic environment and its role in an ecosystem is

The actual location of place where an organism lives is known as:

Changes to abiotic factors in an environment can impact biotic factors. Which statement is the BEST example of this situation?

This is the study of interactions between organisms and the interactions that organisms have with their environment.

In any ecosystem, organisms interact with biotic and abiotic parts of the environment. As a result of all of the interactions, the matter within the system is

What are the five levels of environmental organization, from largest to smallest?

Which two terms are closely related to each other?

The word ecology comes from:

Which is/are the abiotic components of an ecosystem?

Under ideal conditions with unlimited resources, a population will have ________.

The ______ rate of a population is the change in the population size per member of the population per unit of time.