Interdependence of Organisms

Organisms better adapted to their environment tend to survive and produce more offspring is known as natural selection

• True

• False

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Select an abiotic factor that affects an organism in an ecosystem

• record breaking temperatures caused ocean water temperatures to rise

• record breaking temperatures caused a wild fire, destroying acers of trees

• a dark canyon used as a home for bats

• the acid in the rain rusted the fence

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What is the relationship between honeybees and flowers an example of?

• commensalism because the honeybees benefit and the flowers are unharmed

• parasitism because the honeybees benefit and the flowers are harmed

• mutualism because both the honeybees and the flowers benefit

• predator-prey because both the honeybees and the flowers are harmed

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Select a biotic factor affecting an organism in an ecosystem

• water being used as a habitat for marine animals

• a producer supplying nutrients and energy to a consumer

• Pollution causing damage to a crop of wheat

• construction crew clearing trees from a construction site

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In this part of the food chain, what is true of shrimp?

• They pass on the most energy in the food chain.

• They supply all of the energy for the food chain.

• They consume the largest amount of energy.

• They are the last living things to get energy.

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Ferns get their energy from

• insects

• Earth

• trees

• Sun

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Which best describes a food web?

• combo of food chains that show how organism interact to get energy & matter

• less complex food chain that show how producers gain their energy from Sun

• more complex food chain shows how organisms are able to digest nutrients

• single food chain that show how organism interact to get required energy

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A diagram of a food web is shown below.

• It would cause increased competition between grasshoppers and beetles.

• It would cause increased competition between wood mice and shrews.

• It would cause decreased competition between spiders and wood mice.

• It would cause decreased competition between spiders and owls

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• louse and hawk

• mouse and wolf

• butterfly and green shrub

• snake and grasshopper

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Select three reasons why scientists classify organisms.

• to more easily identify new organisms that are discovered

• to know which organisms to breed to make new species

• to organize all the different types of organisms to study them better

• so they can talk all over the world about organisms with a common language