MCU2 Quiz

MCU2 Quiz

7th Grade

10 Qs

quiz-placeholder

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MCU2 Quiz

MCU2 Quiz

Assessment

Quiz

Science

7th Grade

Medium

Created by

Arleigh Wilke

Used 3+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of these is an example of a biotic factor that could affect the size of a population?

Climate

Disease

A natural disaster

Water availability

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an example of an abiotic factor in an aquatic system?

Water lilies float on top of pond.

A population of bass is living in a lake.

The pH of a lake is decreased by acid rain.

Dragonflies feed on small insects near a pond.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The picture shows a food web in the forest. Which of these is represented by the diagram?

Abiotic factors

Community

Ecosystem

Population

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is an example of a population in a desert ecosystem?

A saguaro cactus

the amount of rainfall

a fennec fox and its young

hawks and the lizards they feed on

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these events would lead to an increase in the size of a population of squirrels?

More squirrels are born than die.

Some squirrels emigrate in search of food.

New predators are added to the ecosystem.

A large number of schools die because of a forest fire.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is the most likely reason that a population in an ecosystem could have sharp decline?

The number of prey suddenly increases.

The number of predators suddenly decreases.

The competition for the same resource suddenly drops.

The abiotic resources in the environment suddenly drops.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

This graph shows the population of a group of rabbits in a restricted area studied over a period of 5 years. Which statement might explain why the population leveled off on the graph?

The resources in the area ran out.

The rabbits encountered a new disease.

Predators were introduced into the area.

Competition for resources limited the rabbit population.

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