Ecology

To avoid competition organisms may

___% of energy is lost between organisms in food chains and energy pyramids.

The first organisms to arrive in an area are

How is a water cycle different from the flow of energy?

What type of light was best for photosynthesis?

These organisms are

A frog would be

The series of steps in which a large fish eats a small fish that ate algae is a

Soil development requires

Which gas is forming in the tube?

Dogs and fleas would be an example of

Which of the following are decomposers?

How is water recycled from land to atmosphere?

Human activities produce carbon dioxide. Which ones?

The group of organisms always found as the base of a food web or chain are

Plants need different resources than animals because they

All ecological pyramids that we studied

Humans cause most carbon dioxide through

Lichens, mosses, and weeds are often

A food _____links all the food chains in an ecosystem.

We required energy from other organisms, that makes us

This is an example of

Primary producers are organisms that can

The niche of this big cat would be

Nutrients move through an ecosystem in a

Competition for resources can result in

A fox prefers living inside of a den. This would be part of their

This is an example of

A pyramid of biomass shows the amount of ___ available on each trophic level.

What causes the greenhouse effect?

Primary producers would be

Nitrogen fixation occurs in the roots of legume type plants with the help of

How is most heat lost as it goes to another organism?

Ecosystems can change over time due to ____.

Trophic levels include

A farmer lets a field go back to its natural state; this is anexample of

Producers can convert ____into energy/sugar and oxygen.

Climate change is causing

Niches can be shared if organisms divide the space or

The last consumer in a food chain receives the _____ energy from the producers.

Every organism needs nutrients to build tissue and carry out life functions such as

When nitrogen is turned back into nitrogen gas by bacteria, _______has occurred.

An area was destroyed by a fire, it must go through ___ to become a forest again.

This is a pyramid of

Which organism supports all others?