Ecology Part 1

What is the term for each step in the transfer of energy and matter within a food web?

Breaks down  dead organisms

Feeds on other organisms (meat eaters)

Feeds on dead organisms

How is sunlight important to most ecosystems? 

Relationship in which one organism is helped and the other is neither helped nor harmed

Feeds on producers

All the biotic and abiotic factors in a pond form ...

Why's there only 10% of energy left when energy is transferred from 1 trophic level to the next

Which of the following is NOT a trophic level?

The algae at the beginning of the food chain

Where an organism lives

Organisms that can't make their own food and depend on other organisms for energy and food 

A form of symbiosis in which both organisms benefit

The combined portions of Earth in which all living things exist is called the

A diagram that shows the relative amounts of energy or matter contained w/in each trophic level

All of the interconnected feeding relationships in an ecosystem make up a food

Which shows the total amount of living tissue within each trophic level? 

When energy is transferred between trophic levels (up) how much energy is actually available? 

A snake that eats a frog that has eaten an insect that fed on a plant is a

Which of the following is not a decomposer? 

Which shows the number of individual organisms at each trophic level? 

Which list represents the levels of organization an organism from simplest to most complex?

Organisms that make their own food by using the energy from the sun 

A tick on a dog or a tapeworm in a human is an example of

What shows the amount of energy available from one energy level to the next?

How does energy flow through an ecosystem?

A type of symbiosis where one organism is harmed and the other benefits

Which of the following descriptions about the organization of an ecosystem is correct?

These organisms make food using the energy from a chemical reaction.

All of the members of a particular species that live in one area are called a(an)

Which group of organisms is always found at the base of a food chain or food web? 

The study of the interactions of living organisms with thier environment and other organisms

A bird stalks, kills, and then eats an insect. What terms describe the bird?

Each of the following is an abiotic factor in the environment EXCEPT

Ants attack any animal that tries to feed on the tree; it provides ants with nutrition.

How an organism lives; its occupation or role

A heterotroph that breaks down organic matter and recycles it back into the environment