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Populations And Communities B
Test Description: Sections 1-4
Instructions: Answer all questions to get your test result.
1) List the four levels of ecological organization from smallest to larges
A
organism, population, community, ecosystem
B
population, ecosystem, community, organism
C
community, ecosystem, organism, population
D
ecosystem, community, population, organism
2) Which of the following is an example of a population?
A
the gray wolves in a forest
B
the rocks in a rock collection
C
the cats and dogs in your neighborhood
D
the bushes and grass in a park
3) Counting the number of organisms in a small area and multiplying to estimate the number in a larger area is called
A
direct observation
B
sampling
C
population density
D
mark and recapture
4) When a jellyfish paralyzes a tiny fish with its poisonous tentacles, the fish is the
A
host
B
predator
C
parasite
D
prey
5) An early winter frost preventing further growth in a tomato garden is an example of
A
indirect observation
B
a biotic factor
C
a limiting factor
D
carrying capacity
6) An organism's habitat must provide all of the following
A
food, water, and shelter
B
water, shelter, and prey
C
food, water, and predators
D
food, shelter, and predators
7) To carry out photosynthesis, algae and plants use the abiotic factors water, sunlight, and
A
soil
B
bacteria
C
carbon dioxide
D
oxygen
8) Mutualism, commensalism, and parasitism are the three types of
A
predation
B
symbiotic relationships
C
adaptations
D
competition
9) Scientists who study how living things interact with the environment are called
A
engineer
B
ecologists
C
geologist
D
environmentalists
10) When the birth rate in a population is greater than the death rate, the population will generally
A
decrease
B
increase
C
stay the same
*select an answer for all questions
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