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Living Things Interact Review
Unit B Chapter 2 Living Things Interact Review
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A single organism living in an environment is?
Individual
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All the populations of organisms living together in an environment are?
Communities
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Some animals eat off of more than one consumer level.
True or False Some animals eat off of more than one consumer level. True
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Living things that must eat to gain energy are?
Consumers
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What shows the relationship between many different food chains in one ecosystem?
Food Web
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Human activity can cause a decline in populations of organisms.
True or False Human activity can cause a decline in populations of organisms. True
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What shows how consumers in an ecosystem are connected to each other based on what they eat?
Food Chain
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Consumers that break down decaying tissue.
Decomposer
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True or False Instinctive behaviors include building shelter, finding mates, and hunting. True
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A non-native organism Exotic
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True or False Hurricanes and floods are examples of natural causes for population decline. True
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A community and its physical environment would be known as an ___________.
ecosystem
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True or False Only 10% of the energy from one level of the energy pyramid will be passed on to the next level. True
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A long term relationship between different kinds of organisms.
Symbiosis
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Place in an ecosystem where each population lives.
Habitat
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BOTH organisms benefit in mutualism!
True or False In a relationship of mutualism, two organisms work together while only one benefits. False BOTH organisms benefit in mutualism!
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Organisms that produce their own food through photosynthesis.
Producers
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Pesticides are a natural cause for population decline.
True or False Pesticides are a natural cause for population decline. False
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Individuals of the same kind living in the same environment.
Population
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True or False It is not possible for animals to eat from the same food source without competing. False
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