VOCABULARY
ENERGY ROLES
CYCLES AND WHAT ROLES IN THE CYCLES
CYCLES AND ENERGY MOVES
KEY TERMS
100

Animals that only eat other animal are what?

What are carnivores

100

An interaction in which one organism kills another for food and nutrients is called what?

What is predation.

100

The process by which molecules of liquid water absorb energy and change as a gas is called what?

What is evaporation

100

the process of changing free nitrogen into a usable form of nitrogen is called what?

what is the nitrogen cycle.

100

each of the organisms in an ecosystem fills energy role of what?

What are producer, consumer, and decomposer.

200

Animals that eat only plant material are called what?

What is herbivores.

200

An organism that can make its own food is called what.

What are producer.

200

The process by which a gas changes to a liquid is called what?

What is condensation

200

Human activities also affect the levels of carbon and oxygen in the atmosphere. What is this called?

What is human impact.

200

Energy moves through an ecosystem when how many organisms eat another?

What is one.

300

Animal that eat other animals and eat plant material are called what?

What are Omnivores.

300

An organism that obtains energy by feeding on other organism is called what?

What is a consumer.

300

Eventually the heavy drops fall to earth as what?

What is precipitation.

300

A series of events in which one organism eats another and obtains energy is called what?

What is a food chain.

300

The most energy is available at the blank level of the energy pyramid. what is blank?

What is producer.

400

The amount of energy that moves from one feeding level to another in a food web is called what?

What is Energy pyramid.

400

Breaks down biotic wastes and dead organisms and return the raw material to the ecosystem is called what?

What is a decomposer?

400

The is the process in which carbon travels from the atmosphere into organisms and the Earth and then back into the atmosphere what is the cycle called?

What is the carbon cycle.

400

Consists of many overlapping foods chains in an ecosystem is called what?

What is a food web.

400

Human activities mat affect the balance in an ecosystem and thereby blank the ecosystem. What is blank?

What is change.

500

The advance of desert-like conditions in an area once fertile is called what?

What is desertification.

500

A carnivore that feeds on the bodies of dead organism is called what?

What is a scavenger.

500

The process by which oxygen released into the atmosphere by photosynthetic organisms is taken up by aerobic organisms while the carbon dioxide released as a by-product of repiration is taken up for photosynthesis is what cycle?

What is the oxygen cycle.

500

In the blank cycle, blank moves from air into the soil onto living things, and back into the air or soil. What are the blanks?

What is nitrogen.

500

In  ecosystems, the process by which blank and blank are recycled are linked. What are the blanks?

What is carbon and oxygen.
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