Ecosystems Review
Flashcard
•
Science
•
4th Grade
•
Easy
Latisha Lambert
Used 1+ times
FREE Resource
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20 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Which organisms would receive less energy if rabbits disappeared from this ecosystem? Options: toads, hawks, snakes, grasses
Back
hawks
2.
FLASHCARD QUESTION
Front
What would most likely happen if farmers started using pesticides that killed the insects living above the ground?
Back
the rat population would decrease
3.
FLASHCARD QUESTION
Front
Which food chain model shows an example of how energy moves through an ecosystem? (flow left to right)
Back
tree leaves - caterpillar- toucan - puma
4.
FLASHCARD QUESTION
Front
A student is developing a model of a prairie ecosystem. Sun -- grass -- ?? -- snake -- owl What organism could the student use to finish their model and replace the ?? Options: aspen trees, buffalo, foxes, prairie dog
Back
prairie dog
5.
FLASHCARD QUESTION
Front
How would scientists model a food chain to show the flow of energy in a desert ecosystem? (flow left to right)
Back
Sun -- cacti -- insects -- lizards -- foxes
6.
FLASHCARD QUESTION
Front
Here is a model of a food chain in Yellowstone National Park: shrubs/grasses -- elk -- wolves In the past, wolves were hunted to extinction. What was the impact on elk and plants?
Back
there were many more elk and fewer plants
7.
FLASHCARD QUESTION
Front
What would happen if fungi were removed from a forest ecosystem?
Back
plant and animal matter would no longer be broken down
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