Which type of organism(s) perform cellular respiration?

Which process REMOVES carbon from the atmosphere?

What part of the water cycle do clouds represent?

Part of the equation for photosynthesis is shown. A substance cycled throughout an ecosystem and released during cellular respiration is missing. What substance belongs in place of the question mark?

What gas do leaves absorb during the day?

In the energy pyramid here, which organisms have the MOST energy available to them?

Which organism has the LEAST amount of energy available to it from the producer in this diagram?

During photosynthesis, plants produce a food called ______.

Which activity does NOT release carbon into the atmosphere?

What is an ecosystem?

Is this an example of a producer, consumer, or decomposer?

Is this an example of a producer, consumer, or decomposer?

Is this an example of a producer, consumer, or decomposer?

Is this an example of a producer, consumer, or decomposer?

Is this an example of a producer, consumer, or decomposer?

Organisms that use an outside energy source, such

as the Sun to produce their own food are called _____.

Organisms that cannot make their own food are called _____. They obtain energy and nutrients from other organisms.

Organisms that eat only producers are called _____.

Organisms that eat both producers and consumers are called _____.

Organisms that eat herbivores, omnivores, and other carnivores are called _____.

Organisms that consume the bodies of dead organ-

isms or wastes produced by living organisms are called _____.

Microscopic organisms that cause the decay of dead organisms or wastes produced by living organisms are called _____. Most are fungi and bacteria.

A(n) _____ is a model of energy transfer that shows how the food chains in a community are interconnected.

The nitrogen cycle describes how nitrogen, which is used by living things to make _____, moves from the atmosphere to the soil into the bodies of living organisms and back to the atmosphere.

In a process known as _____, water vapor in the atmosphere condenses to form clouds and then falls back to earth as rain or snow.

As part of the carbon cycle, organisms release carbon dioxide into the atmosphere during _____. It can then be taken in by plant leaves and used to make food.

Identify the energy model shown in the image.

A(n) _____ is a model that shows the amount of energy avail-

able in each link of a food chain.

Identify the energy model shown in the image.

Identify the energy model shown in the image.

A(n) _____ is a simple model that shows how energy moves from a producer to one or more consumers through feeding relationships.

True or False: Less energy is available for organisms higher up in an energy pyramid.

Animals put water vapor back into the atmosphere through _____.

The black bear eats roots, berries, meat, fish, insects, larvae, grass, and other plants. The black bear is a(n) _____.

What gas makes up 78% of Earth's atmosphere?

This diagram shows the movement of matter between some living and non-living things in a forest ecosystem. Which part of the food chain is nonliving?

Sara made a model of a food chain. The living things in her food chain were a cricket, frog, and snake. Which is missing from the model?

Producers get energy by capturing what from the sun?