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Life Science 3rd Quarter 11 - 20
Test Description: Life Science, 3rd Quarter, Questions 11 - 20
Instructions: Answer all questions to get your test result.
1) What happens to a population when the birthrate exceeds the death rate?
A
remains the same
B
increases
C
decreases
2) In an energy pyramid, where would you find the most energy?
A
bottom
B
middle
C
top
3) A crocodile eats a fish. This is an example of what kind of relationship?
A
predator/prey
B
mutualism
C
parasitism
4) Mutualism is two species living together in a relationship in which both benefit. Which pair represents mutualism?
A
roundworms and dogs
B
Nemo and sea anemone
C
mosquito and human
5) When on species is helped and the other is harmed in a symbiotic relationship, this is called:
A
parasitism
B
mutualism
C
consumerism
6) What is glucose?
A
carbon
B
salt
C
sugar
7) Insecticides are intended to kill:
A
plants
B
insects
C
humans
8) Climate is an important abiotic factor to an ecosystem because it:
A
it affects the oxygen in the air
B
affects everything that lives there
C
it effects sunglight
9) This term consists of both living and nonliving features in an environment:
A
habitat
B
niche
C
ecosystem
10) This biome contains permafrost which is really frozen soil:
A
taiga
B
tundra
C
rain forest
*select an answer for all questions
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