Ecology Test Review 1 Question Preview (ID: 12716)
Ecology Test Review 1.
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Which of the following is best described as a biological community and its physical environment?
a) an organism
b) a system
c) an ecosystem
d) a population
Which of the following is best described as a group of interacting individuals belonging to one species?
a) an ecosystem
b) a community
c) a tissue
d) a population
Which of the following best describes an ecosystem?
a) An ecosystem is composed of a collection of communities.
b) An ecosystem is composed of individuals of one population.
c) An ecosystem is composed of an organized group of tissues.
d) An ecosystem is composed of populations of different species.
Which of the following is best described as all the populations living in a particular area?
a) a community
b) an organism
c) a system
d) an ecosystem
Which of the following best explains why new communities are able to replace the original communities?
a) The original communities were lost to extinction.
b) The abiotic factors of the habitat changed due to succession.
c) The carrying capacity of the habitat was reduced.
d) The new and old communities developed symbiotic relationships.
The levels of organization for living things from smallest to largest would be:
a) cell, tissue, organ, organ system, organism, population, ecosystem, community, biosphere
b) cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere
c) tissue, cell, organ, organ system, organism, population, ecosystem, community, biosphere
d) cell, tissue, organ, organism, organ system, community, population, ecosystem, biosphere
Major ecosystems that occur over wide areas of land are called
a) communities.
b) habitats.
c) biomes.
d) food chains.
Herds of grazing animals are most likely to be found in a
a) savanna.
b) tropical rain forest.
c) deciduous forest.
d) taiga.
Which of the following best describes how a decrease in producers may affect the stability of organisms in an environment?
a) The populations of all consumers would decrease.
b) The populations of all consumers would increase.
c) Populations of primary consumers would decrease, and populations of secondary consumers to increase.
d) Populations of primary consumers would increase, and populations of secondary consumers to decrease
Which of the following best describes how a decrease in bees may affect the stability of organisms in an environment?
a) Populations of producers would decrease, causing populations of nearly all organisms to decrease.
b) Populations of producers would increase, causing populations of nearly all organisms to increase.
c) Populations of primary consumers would decrease, and populations of secondary consumers to increase.
d) Populations of primary consumers would increase, and populations of secondary consumers to decrease.
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