Carbon Cycle
Water Cycle
Food Chains
Food Webs
Trophic Levels
100

his process by plants removes carbon dioxide from the atmosphere.

photosynthesis

100

This is the process of water changing from a liquid to a gas.

evaporation

100

 This type of organism makes its own food using sunlight.

producer

100

A food web is made up of many of these linked together.

food chains?

100

The position an organism occupies in a food chain is called this.

trophic level?

200

Animals release carbon dioxide into the air through this process.

respiration

200

 Clouds form during this stage of the water cycle.

condensation

200

Animals that eat only plants are called this.

herbivores

200

This term describes an animal that eats both plants and animals.

omnivore?



200

 Plants are always found at this trophic level.

first trophic level?

300

Burning fossil fuels adds this gas to the atmosphere.

carbon dioxide?

300

Rain, snow, sleet, and hail are all forms of this.

precipitation

300

This is the first consumer in a food chain.

 primary consumer?

300

This is the term for a diagram that shows how food chains overlap in an ecosystem.

food web?

300

Only about this percentage of energy is passed from one trophic level to the next.

10%?

400

This process returns carbon to the soil after plants and animals die.

decomposition?

400

This process moves water from plants to the air.

transpiration

400

These organisms break down dead plants and animals.

decomposers?

400

This type of consumer is at the top of a food web and has no natural predators.

apex predator?

400

 Animals that eat herbivores are called this.

secondary consumers?

500

This term describes the movement of carbon between living and nonliving parts of the environment.

carbon cycle

500

The continuous movement of water on, above, and below Earth's surface is called this.

 water cycle?

500

The direction of these arrows in a food chain shows the flow of this.

energy?

500

: What happen to the food chain if an organism randomly disappears?

disruption?

500

Carnivores that eat other carnivores are called this.

What is a tertiary consumer?