Unit 2 Ecosystems Study Guide

Unit 2 Ecosystems Study Guide

8th Grade

30 Qs

quiz-placeholder

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Unit 2 Ecosystems Study Guide

Unit 2 Ecosystems Study Guide

Assessment

Quiz

Science

8th Grade

Medium

Created by

Rocquina Vaughan

Used 13+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What impact do resources, such as availability of food, sunlight, and water, have on an ecosystem?

They limit the carrying capacity

They increase habitat areas

They decrease the number of diseases

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Large algal blooms on the surface of a lake keep which abiotic factor from reaching the bottom?

water

light

oxygen

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As an insect population decreases, which would most likely also decrease?

hawk population

grass population

frog population

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The following is a food chain observed in a large wilderness park:

Vegetation----->Deer----->Cougar

The prey will decrease in numbers

The predator will increase in numbers

The predator and prey numbers will be unaffected

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of interaction causes harm to one organism?

parasitism

mutualism

commensalism

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cattle egrets and cattle exist in a commensalistic relationship. Which best describes WHY they can coexist in the field?

The cattle depend on the egrets as a food source

The cattle and the egrets compete for food

The cattle and the egrets consume different food sources

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which term BEST describe two predators living in the same habitat who feed on the same prey?

coexistence

competition

mutualism

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