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Ecology A Review #2
Test Description: BA review
Instructions: Answer all questions to get your test result.
1) Which of the following is the producer in the food chain?
A
Plants
B
Rabbit
C
Fox
D
Snakes
2) What would happen if you removed the producer from the food web?
A
All the populations would die
B
Nothing
C
All populations would go way up
D
All populations would go up
3) What could possibly happen if snakes were removed from the food chain?
A
Bird population may go down
B
Frog population may go down
C
Nothing
D
Frog population may go up
4) What is the definition of a population?
A
All the organisms of different species together in an area
B
Two organisms that live together, and need each other to survive
C
What?
D
The organisms of one species living together in the same place at the same time
5) Organisms that consume dead plants and animals for their food are?
A
Symbiotic
B
Hello?
C
Producers
D
Decomposer
6) Why is a honey bee and a pear tree an example of mutualism?
A
The bee benefits, but the pear tree is hurt
B
The bee receives nectar, and the pear tree is pollinated
C
The pear tree benefits, but the bee receives nothing
D
Where am I?
7) What is a limiting factor?
A
Anything that restricts the number of individuals which can live in an area
B
Too much food
C
When an organism takes up residence and feeds on another organsim tissue
D
Kind of like an energy pyramid
8) Parasites....
A
Are involved in commensalism
B
Live on another organism and feed on their tissue
C
Are involved in mutualism
D
Are good
9) Which of the following organisms would be at the top of an energy pyramid?
A
Grass
B
Fox
C
Aren't the pyramids in Egypt?
D
Duck
10) Introduced species can....
A
Be good pets
B
Cause damage to an enviornment by crowding out native species
C
Are almost always helpful
D
Cause erosion
*select an answer for all questions
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