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