Ecosystems EOG review

Ecosystems EOG review

8th Grade

8 Qs

quiz-placeholder

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Ecosystems EOG review

Ecosystems EOG review

Assessment

Quiz

Biology

8th Grade

Medium

Created by

Rachel Main

Used 25+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of these organisms is a producer in a marine ecosystem?

fish
gull
algae
worm

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which best determines the number of wolves that can live in an area?

the amount of snow in the area each year
the number of birds that live in the area
the number of trees in the area
the amount of food available in the area

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What happens to a population and to competition when there is a reduction ofliving space?

The population expands and competition intensifies.
Competition strengthens while the population contracts
The population increases as competition decreases.
Competition weakens and the population decreases.

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kudzu vines grow by climbing and wrapping around trees. Trees covered by kudzucan die because they are starved of sunlight. What type of relationship existsbetween the trees and the kudzu growing on them?

competition
mutualism
parasitism
predator-prey

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which best explains the importance of nitrogen in the cycling of energy and matter?

Nitrogen increases protein production in plants.
Nitrogen decreases protein production in plants.
Nitrogen decreases the effectiveness of photosynthesis.
Nitrogen increases the effectiveness of photosynthesis.

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If wolves prey on deer for food, what will most likely happen to the deerpopulation if wolves are removed from an area where deer live?

The population of deer will increase.
The population of deer will decrease.
The population of deer will remain the same.
The population of deer will become extinct.

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Where do plants get most of the energy they need to live and grow?

water
soil
air 
sunlight

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