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Life Science Test Review - Part 3
Test Description: Life Science test review - part 3
Instructions: Answer all questions to get your test result.
1) What type of organisms do all food chains/food webs begin with and depend on for survival?
A
mushrooms
B
animals
C
bacteria
D
plants
2) In a food chain/food web, what is the source of energy for plants?
A
sun
B
mushrooms
C
bacteria
D
animals
3) If the rabbit population increases, what would happen to the grass population?
A
It will go down because there are more rabbits eating grass
B
it will go up because there are more rabbits eating grass
C
it will stay the same
4) Which of the following is a way that trees can be beneficial (helpful) to birds?
A
it gives the prey of the birds a place to hide out
B
it gives the predator of the birds a place to hide out
C
it takes away their habitat
D
it gives the birds a place to build their nests
5) Which of the following is a beneficial way humans affect the environment?
A
cutting down trees
B
dumping trash
C
wasting energy
D
planting trees
6) Which of the following is a harmful way humans affect the environment?
A
conserving energy
B
dumping trash
C
picking up trash
D
planting trees
7) If too many trees were cut down in your city, which of the following could happen?
A
there would be fewer birds in the city because of the loss of their habitat
B
there would be more birds in the city because of the loss of their habitat
C
there would be more birds because more food was available
D
there would be fewer birds in the city because more food was available
8) Which of the following is NOT a reason why boating on a lake can be harmful to the environment?
A
there would be fewer fish because the boats killed the fish eggs
B
there would be fewer larger aquatic animals becuase there are fewer fish
C
it can provide awareness of the species present in the lake
D
there would pollution from the boats`
9) When replacing plants that have been removed or destroyed from the environment, why is it important to replace the plants with the same species?
A
to give the animals that live there a variety of things to eat
B
to make the area look even prettier than before
C
it is not important to replace them with the same species
D
to keep the new plants from taking over and causing more competition for resources
10) Which of the following is not an organism found in the desert?
A
rattlesnake
B
cactus
C
dolphin
D
scorpion
*select an answer for all questions
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