
Energy Flow in Ecosystems
Flashcard
•
Biology, Science
•
9th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a keystone species?
Back
A keystone species is a species on which other species in an ecosystem largely depend. If it were removed, the ecosystem would change drastically.
2.
FLASHCARD QUESTION
Front
How many different organisms can feed on a producer in a food web?
Back
The number of different organisms that can feed on a producer varies, but in some cases, it can be 4 or more.
3.
FLASHCARD QUESTION
Front
What is an autotroph?
Back
An autotroph is an organism that can make its own food.
4.
FLASHCARD QUESTION
Front
What is a heterotroph?
Back
A heterotroph is an organism that has to consume other organisms to gain nutrients and energy.
5.
FLASHCARD QUESTION
Front
What happens if a population exceeds its carrying capacity?
Back
If a population exceeds its carrying capacity, deaths outnumber births.
6.
FLASHCARD QUESTION
Front
What would happen to bird and frog populations if the snake population decreased?
Back
If the snake population decreased, the populations of birds and frogs would likely increase.
7.
FLASHCARD QUESTION
Front
Define energy flow in ecosystems.
Back
Energy flow in ecosystems refers to the transfer of energy from one organism to another through food chains and food webs.
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