Organism interaction in Ecosystems quiz

All of the living AND non-living things in an particular area is called a(n):

• ecosystem
• house
• community
• mountain

If the population of prey increases, the population of predators will ________because of the availability of food.

• decrease
• stay the same
• increase

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What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

• commensalism
• mutualism
• parasitism
• predation

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Most spiders build webs, this is known as the organisms _____________.

• niche

• biotic factor

• ecosystem

• community

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Which of the following is an example of an abiotic part of the environment?

• water temperature

• blackberry bush

• salamander

• grizzly bear

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which of the following could possibly be a biotic factor in a stream ecosystem?

• rocks

• water

• sunlight

• pollution

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things that limit the size of a population is known as _______

• biosphere

• biotic factor

• limiting factor

• community

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The role of an organism in an ecosystem

• niche

• carnivore

• habitat

• ecosystem

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What would be a limiting factor for a place like a desert

• water

• sunlight

• shelter

• food

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Which of the following symbiotic relationships is considered mutualism? 

• clownfish and a sea anemone
• a deer and a tick
• opecker (kind of bird) and a zebra
• wolf and a rabbit

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