env sci unit 5 review

env sci unit 5 review

9th Grade

44 Qs

quiz-placeholder

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env sci unit 5 review

env sci unit 5 review

Assessment

Quiz

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9th Grade

Practice Problem

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Created by

Gavin Rhodes

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44 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

______________________ the permanent change in an organisms’ DNA, usually due to exposure radiation, viruses or toxins.

Mutation

Adaptation

Evolution

Recombination

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

______________________ a species that eats prey killed by other animals.

Scavenger

Predator

Herbivore

Omnivore

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

______________________ the introduction of new genes into a population due to immigration.

Gene Flow (Migration)

Genetic Drift

Natural Selection

Mutation

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

______________________ the role or function of a species in an environment.

Niche

Habitat

Ecosystem

Community

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

______________________ the formation of an ecosystem in an area in which there is no soil or where the soil is incapable of sustaining life (because of recent lava flows, newly formed sand dunes, or rocks left from a retreating glacier).

Primary Succession

Secondary Succession

Tertiary Succession

Climax Community

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

______________________ a species that has an extremely high impact on its ecosystem by balancing the food chain, and providing niches and habitats to other species.

Keystone Species

Dominant Species

Invasive Species

Endangered Species

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

______________________ return nutrients to the soil by breaking down dead material.

Decomposer

Producer

Consumer

Scavenger

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