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Ecology Ch 1
Test Description: Limiting factors, levels of an ecosystem, symbiotic relationships, adaptations
Instructions: Answer all questions to get your test result.
1) An organism's particular role in its habitat, or when and how it survives, is called its?
A
ecosystem
B
carrying capacity
C
competition
D
niche
2) All of the following are examples of limiting factors EXCEPT?
A
space
B
food
C
soil
D
weather conditions
3) A hawk builds a nest on an arm of a cactas is an example of?
A
predation
B
commensalism
C
parasitism
D
mutalism
4) An organism's habitat must provide all of the following EXCEPT?
A
shelter
B
predators
C
water
D
food
5) A population is all the members of one species living in a particular?
A
community
B
ecosystem
C
habitat
D
area
6) If you count 20 beetles in a garden measuring 5 square meters, the population density of the beetles is?
A
100 beetles per square meter
B
4 beetles per square meter
C
5 beetles per square meter
D
20 beetles per square meter
7) The place where an organism lives and that provides the things the organism needs to called its?
A
community
B
habitat
C
species
D
population
8) Which of the following is a biotic factor in the prairie ecosystem?
A
sunlight
B
water
C
soil
D
grass
9) Which of the following is an example of a population?
A
the cats and dogs in your neighborhood
B
the gray wolves in a forest
C
the rocks in a rock collection
D
the bushes and grass in a park
10) When a flea is living on a dog, the dog is the?
A
parasite
B
prey
C
predator
D
host
11) The smallest unit of ecological organization is a single?
A
organism
B
population
C
ecosystem
D
community
12) The struggle between organisms to survive in a habitat with limited resources is called?
A
symbiosis
B
parasitism
C
predation
D
competition
13) All the different populations that live together in an area make up a(n)?
A
ecosystem
B
species
C
community
D
organism
14) Mutalism, commensalism, and parasitism are the three types of
A
prey adaptations
B
predation
C
competition
D
symbiotic relationships
15) The largest population that an enviornment can support is called its?
A
carrying capacity
B
death rate
C
limiting factor
D
birth rate
16) The study of how things interact with each other and with their environment is called
A
ecology
B
biotic studies
C
community
D
photosynthesis
*select an answer for all questions
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