Ecology Multiple Choice Test

Which of the following is an abiotic factor that most organisms need to survive?

Which of the following is a biotic factor?

Which level consist of the individuals of a given species in a specific area or region at a certain time?

Which of the following is an abiotic factor?

What is the type of organism that breaks down the cells of dead organisms?

One or more communities in an area and the abiotic factors, including water, sunlight, oxygen, temperature, and soil in an ecosystem.

The individual living organism.

All of the different populations in a specific area or region at a certain time.

What is the ability of water to pass through soil particles called?

Living or once living organisms in an environment are called ______________?

Nonliving part of the environment is called ____________?

A relationship that occurs when two or more organisms need the same resource at the same time.

A relationship that exist between organisms of two different species that live together in direct contact.

Which organism is a decomposer?

Which of the following is an example of a biotic factor?

Which of the following is an ecosystem?

A symbiotic relationship in which one organism (parasite) benefits at the expense of the other (host).

A symbiotic relationship in which both organisms benefit.

What is the organic material found in soil known as?

There are 4 different types of soil material. What is the correct order in grain size from smallest to largest?

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