7.5 -1 Competition in Ecosystems Quiz

What is intraspecific competition?

• Two or more species trying to utilize a limited resource at the expense of the other species

• All of these

• Animals within the same species trying to utilize a limited resource at the expense of other animals within the species

• Animals of the same species trying to prey on one another

In a certain ecosystem, foxes and snakes prey on the same species of rabbit. What would increase the competition between the foxes and the snakes?

• A reduction in the number of rabbits in the ecosystem

• All of the above

• An increase in population of foxes and snakes

• A reduction in the size of the habitat for the foxes, snakes, and rabbits

Tags

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What are some examples of resources over which plants compete?

• Water, light, and space

• Space, water, and animals

• Carbon dioxide, sugar, and temperature

• Water, light, and carbon dioxide

Tags

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Ecosystem

• A single, self-contained living thing

• How all the living and nonliving things in an area interact

• A group of organisms that are similar to one another and can mate to produce offspring

• Something that is needed by organisms and is not infinite in its abundance in the environment; if it is exhausted, then the organisms that need it cannot survive.

More than one individual or population in an ecosystem relies upon the same limited resources

• Species

• Competition

• Organism

• Ecosystem

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Species

• More than one individual or population in an ecosystem relies upon the same limited resources

• How all the living and nonliving things in an area interact

• Something that is needed by organisms and is not infinite in its abundance in the environment; if it is exhausted, then the organisms that need it cannot survive.

• A group of organisms that are similar to one another and can mate to produce offspring

Tags

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Organism

• A single, self-contained living thing

• How all the living and nonliving things in an area interact

• More than one individual or population in an ecosystem relies upon the same limited resources

• A group of organisms that are similar to one another and can mate to produce offspring

What is interspecies competition?

• Two or more species trying to prey on one another

• Animals within the same species trying to utilize a limited resource at the expense of other animals within the species

• Two or more species trying to run, fly, or swim faster than the other species

• Two or more species trying to utilize a limited resource at the expense of the other species

Tags

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Rabbits live in a certain ecosystem where they are hunted by both hawks and coyotes. What would NOT cause a reduction in the rabbit population?

• A housing development being built in the rabbits’ habitat

• A reduction in the population of both hawks and coyotes

• A drought that reduces the food source for the rabbits

• A disease that affects the rabbit population

Tags

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Something that is needed by organisms and is not infinite in its abundance in the environment; if it is exhausted, then the organisms that need it cannot survive.

• Limited resource

• Ecosystem

• Organism

• Species

Tags

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