
Natural and Human Changes to Ecosystems
Authored by Kevin Tomlinson
Science
4th Grade
NGSS covered
Used 14+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How will a beaver's dam most likely affect the ecosystem?
It will form a pond of still water.
It will stop floods from happening.
It will make more trees.
It will make the stream run more quickly.
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is cold and snowy in many parts of Pennsylvania in the winter. How would the cold and snow most likely affect animals that eat mainly grass?
It will have less food.
It will have more food.
It will have less water.
It will not be able to find shelter.
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If gasoline is accidentally poured on the ground, and it gets into the water, what will most likely happen?
The water will flow more quickly.
Trees will grow taller.
Fish and animals could get sick from the water.
The animals will use the gas to drive cars.
Tags
NGSS.MS-LS2-4
NGSS.MS-ESS3-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A foreign insect is introduced into the Texas. It eats a lot of leaves, and trees start to become leafless. Many different animals feed on the new insect, but even they cannot control its numbers. Eventually, trees begin to die. Why would a rapid increase of the new insect population cause certain species of herbivores to vanish or be fewer in number?
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How would beavers building a dam cause an increase in the fish population? The dam
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Raccoons eat aquatic animals. If chemicals entered the lake with rain water and destroyed the plants, how would this impact the raccoon population?
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After this prairie was flooded, all the animals left and the grasses died. Which organism will most likely return first?
jackrabbit
hawk
coyote
grasses
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-3
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