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Ecology 2

Authored by Janice Scoville

Science

5th - 8th Grade

NGSS covered

Used 4+ times

Ecology 2
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51 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Two arctic fox are fighting with a polar bear for a sea lion carcass. One fox distracts the bear while the other eats. What type of limiting factor is the polar bear?

Predator-Prey Relationships

Competition

Herbivory Effect

Weather

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the carrying capacity of the graph?

around 500
more than 500
less than 500
around 600

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the carrying capacity of the following graph?

1000
8000
800
600

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Environmental factors that keep a population from increasing. 

Carrying Capacity
Limiting Factors

Tags

NGSS.MS-LS2-1

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5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A population of salamanders that live in a river require clear, fresh water to survive. New housing developments have caused tons of sediment to muddy the river. Which

of these most likely will happen to the salamander population?

The salamanders go live on land.

The salamanders will move across land to another river.

The salamanders will quickly adapt to living in the muddy water.

The salamanders will decrease in number because of the water quality.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A scientist was studying a population of fish in a pond over a period of 10 years. He observed that

the population increased each year for 3 years, and then remained nearly constant for the rest of

the study. The best explanation for this observation is that the population had

stopped reproducing

reached carrying capacity

mutated into a different species

run out of food and all died

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How nitrogen is "fixed" into useable form for plants

only through action of bacteria
only through lightning
through action of bacteria & lightning
through photosynthesis

Tags

NGSS.MS-LS2-3

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