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