Ecology Vocabulary

The study of the interactions of living things with each other and their physical environment.

• ecology

• limiting factor

• biotic factor

• abiotic factor

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the living and nonliving things present in an ecosystem that prevent a population from growing beyond a certain size, including food, water, available mates, and predators

• ecology

• limiting factor

• biotic factor

• abiotic factor

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all living things in an ecosystem, including animals, bacteria, plants, fungi, and other living species

• ecology

• limiting factor

• biotic factor

• abiotic factor

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all nonliving things in an ecosystem, including water, rocks, sunlight, weather, natural disasters, oxygen, space, hunting, and shelter

• ecology

• limiting factor

• biotic factor

• abiotic factor

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What was the goal of Biosphere 2?

• a self-sustaining ecosystem

• create limiting factors to keep the population from growing

• create a new source of oxygen

• to farm animals for food

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Which one is an abiotic factor?

• water

• tree

• worm

• wolf

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Which one is a biotic factor?

• water

• sunlight

• air

• fungus

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In an ecosystem, living things are called _ and non-living things are called _.

• biotic, abiotic

• abiotic, biotic

• organisms, decomposers

• herbivores, decomposers

What happens if a population grows past its carrying capacity?

• The population keeps growing

• The population starts to die off

• The entire species will go extinct

• The carrying capacity just increases

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This may cause a population to increase

• increase of food supply

• removal of predators

• removal of disease

• all of these

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