Ecology 1

Test Description: Food chains, food webs, levels of organization

Instructions: Answer all questions to get your test result.

1) The branch of biology dealing with interactions among organisms and between organisms and their environment is called

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

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

4) The simplest grouping of more than one kind of organism in the biosphere is

5) The algae at the beginning of the food chain is a(n)

6) An organism that uses energy to produce its own food supply from inorganic compounds is called a (an)

7) The total amount of living tissue within a given trophic level is called the

8) What is an ecological model of the relationships that form a network of complex interactions among organisms in a community from producers to decomposers?

9) What animals eat both producers and consumers?

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


*select an answer for all questions

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