Category 4 Science

Category 4 Science

8th Grade

15 Qs

quiz-placeholder

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Category 4 Science

Category 4 Science

Assessment

Quiz

Science

8th Grade

Hard

NGSS
MS-LS2-1, MS-LS2-3, MS-LS1-6

+11

Standards-aligned

Created by

Lisa Thompson

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A company has purchased 15,000 acres of forest. The loggers harvest mature trees in order to supply lumber for new homes. According to the graph, the Spotted Owl and the Hawk populations are the most negatively affected organisms. What would be the most likely explanation of why this has occurred?

The Owl and Hawk numbers have dropped because the logging has depleted their food source.

The owl and hawk populations have dropped because of the pollution from the logging equipment.

The owl and hawk populations have dropped because the logging has removed the places they used for their nests.

The owl and hawk populations have dropped because they have been scared away by the presence of humans.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Data for four animal populations in a wooded area were collected before and after a shopping mall was constructed near the area. The graph above shows changes in the populations. Which animal's food sources most likely increased after the mall opened?

Squirrels only

Snakes, squirrels and raccoons

Raccoons only

Snakes, squirrels and deer

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In this food chain, what will happen if the frogs become extinct?

The snakes will increase.

The grasshoppers will decrease.

The eagles will remain the same.

The grasshoppers will increase.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How would a reduction in the snail population effect this ecosystem?

It would cause decreased competition between spiders and owls.

It would cause decreased competition between spiders and wood mice.

It would cause increased competition between grasshoppers and beetles.

It would cause increased competition between wood mice and shrews.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the primary source of energy for most ecosystems?

Wind

Thermal vents

The Sun

Decomposition

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a food chain, which type of organism receives energy directly from the sun?

Carnivores

Herbivores

Producers

Decomposers

Tags

NGSS.MS-LS1-6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following best describes the role of decomposers in an ecosystem?

They produce their own food through photosynthesis.

They consume living plants and animals.

They break down dead organisms and recycle nutrients back into the soil.

They are the primary consumers of producers.

Tags

NGSS.MS-LS2-3

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