Ecology Review

Which of the following is an abiotic factor?

• a tree

• a bird

• a mushroom

• carbon dioxide

Which of the following is a biotic factor?

• glucose

• oxygen

• a bug

• soil

Which of the following best describes a community?

• all the biotic factors

• all the abiotic factors

• a single species in an area

• an individual

Which of the following best describes an organism?

• an individual

• a group of the same species

• all the biotic and abiotic factors

• Earth

Which of the following best describes a population?

• all the same species

• an individual

• Earth

• all biotic factors

Which of the following best describes an ecosystem?

• all biotic factors

• all abiotic factors

• all these choices are correct

Which of the following best describes a biome?

• Earth

• all biotic factors

• a large are containing similar ecosystems

• an individual

Which of the following best describes the biosphere?

• Earth

• all biotic factors

• all abiotic factors

• similar ecosystems next to each other

Which of the following describes predation?

• predator-prey

• one organism benefitting while the other is harmed

• one organisms is consumed

• all these choices are correct

Which of the following describes competition?

• fighting over resoruces

• one organism benefits while the other is harmed

• one organism wins the resource while the other loses

• all these choices are correct