Ecology Review

The smallest form of a substance that are bonded together and have the same properties.

What is photosynthesis?

Nitrogen enters the soul through nitrogen fixing bacteria found in

Made up of atoms which have certain element characteristics describes in the periodic table.

Non-living parts of the environment used by living things.

Explain what happened in the Grand Canyon in the early 1900's.

What is a secondary consumer?

The smallest unit of matter.

Trait of a living thing that helps it live in its environment.

All the substances that an organism requires from food.

An animal, which is hunted and eaten by other animals.

All biotic factors and abiotic factors existing in a delicate balance is a(n)

What are the 3 cycles of matter?

Everything that surrounds an organism is called their what?

The area in which a species lives across the whole earth is known as their:

An organism that actively hunts other organisms is called a:

What do you call an organism that makes their own food from inorganic molecules and energy?

What is a primary consumer?

A group of individuals with ability to reproduce and produce fertile offspring is called a what

All of the following are examples of a tertiary consumer EXCEPT:

In an eco-system, where does most of the energy originate?

A _______ level is a layer in the structure of feeding relationships in an ecosystem.

What is the most important factor in land's ability to support life?

What two things do all eco-systems do?

What is one way that Nitrogen can enter the soil for use by plants?

All of the members of a species that live in an area make up a(n)

The most damaging part of a hurricane is

A combination of different populations living together in an ecosystem is known as their:

Besides primary, secondary, and tertiary, what is the fourth type of comsumer?

Each organism is ___________ to the conditions in the environment in which it lives.

Why has the mountain lion's geographical range changed?

What is an increasing concentration of toxin higher on the food chain?

The name for the specific environment in which a particular species lives is:

What do you call organisms that cannot make their own food?

Organisms that consume the bodies of dead organisms and other organic wastes are called what?

A predator that promotes great niche diversity in habitat.