T8E2 Competition Among Organisms

What are biotic factors?

• Biotic factors are living or once-living parts of an organism's habitat.

• Biotic factors are non-living parts of an organism's habitat.

• Biotic factors are chemical substances in an organism's environment.

• Biotic factors are physical conditions affecting an organism.

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What are abiotic factors?

• Abiotic factors are the nonliving parts of an organism's habitat.

• Abiotic factors are the living parts of an organism's habitat.

• Abiotic factors are the behavioral traits of organisms.

• Abiotic factors are the genetic makeup of organisms.

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Which of the following is a limiting factor for population growth?

• Abundance of food

• Loss of nesting space

• Increase in water supply

• More sunlight

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Biotic and abiotic factors affect the survival of organisms by:

• providing food and shelter

• regulating temperature and water availability

• offering protection from predators

• all of the above

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What is competition in an ecosystem?

• Competition is a struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time.

• Competition is a peaceful coexistence between organisms sharing unlimited resources.

• Competition is a mutual relationship where organisms help each other to find resources.

• Competition is a process where organisms avoid each other to prevent resource conflict.

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What do organisms within a population often compete for?

• Organisms within a population often compete for biotic factors they need such as food and mates.

• Organisms within a population often compete for abiotic factors such as sunlight and water.

• Organisms within a population often compete for space and territory.

• Organisms within a population often compete for shelter and protection.

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The difference between competition within a population and between populations is:

• Competition within a population occurs among individuals of the same species, while competition between populations occurs among different species.

• Competition within a population occurs among different species, while competition between populations occurs among individuals of the same species.

• Competition within a population and between populations are the same.

• Competition within a population is more intense than between populations.

What is the difference between 'quantity' and 'quality'?

• Quantity is the amount of something and should not be confused with quality, which is a characteristic.

• Quantity and quality are the same thing.

• Quality is the amount of something and quantity is a characteristic.

• Quantity refers to the type of something, while quality refers to the amount.

What is a niche in an ecosystem?

• A specific role or function of an organism within its environment

• The physical space an organism occupies

• The food an organism eats

• The climate an organism lives in

Which of the following animals are mentioned as competing in South Texas?

• A) Bobcat and Ocelot

• B) Lion and Tiger

• C) Wolf and Fox

• D) Bear and Deer

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