Taking shorter showers and shutting off the water while brushing teeth does this.

These are parts of the environment that consist of nonliving factors like water, soil, and light.

These break down dead plants and animals into useful materials that enrich the soil.

The organelle of a plant cell where photosynthesis occurs.

All of the lily-pads in a pond are an example of this level of organization.

What the Clean Air Act gave the to the EPA.

This is the pattern of precipitation and temperatures throughout the year.

Herbivores, carnivores, and omnivores are all types of this.

The energy source for photosynthesis.

A resource like water, food, and sunlight that is so scarce that it limits the size of a population when it is approaching its carrying capacity.

The effect a volcanic eruption has on climate.

Plants, animals, and all living things are this type of factor.

Organisms that get their energy from eating other organisms are called this.

The part of the plant in which most of photosynthesis takes place.

The maximum population that an environment can support.

The contamination of the atmosphere by the introduction of pollutants from from human and natural sources.

A fish, a crocodile, trees, or air temperature. One of these is an abiotic factor.

Organisms such as plants that produce their own energy and oxygen are called this.

Plants are called this because they make their own food from carbon dioxide and water.

The correct order from simplest to complex of the levels of organization in the environment.

Carbon dioxide absorbs heat and keeps heat in the atmosphere causing this.

This biome has the highest latitude with very little reciprocation.

An arrow in a food web and chain shows this.

This is the green substance found in the chloroplast that absorbs sunlight.

When birth and death rates are the same, this happens to the population.