Unit 6 Quiz: Ecology

All living things get their energy from which of the following sources?

• food
• water
• sun

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Which of the following is another word for a plant?

• autotroph
• heterotroph
• consumer

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What would most likely happen if the rabbit population was removed from the food chain grass —› rabbit —› fox?

• their would be more grass
• there would be less rabbits
• there would be more fox

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Which is an example of a parasitic relationship?

• a bee pollinates a flower
• a tapeworm takes nutrients from a dog
• an orchid lives in a tree but does not harm the tree

In which type of relationship do both species benefit?

• parasitism
• mutualism
• commensalism

Barnacles grow on whales.  Whales give the barnacles a place to live but the barnacles do not help or harm the whale.  Which type of relationship is this?

• commensalism
• mutualism
• parasitiesm

Which definition best fits the term BIOTIC?

• The study of the interactions between animals and their environment

• Factors in the environment that are considered not alive

• Factors in the environment that are considered living or the remains of living things

An organism that helps to recycle nutrients within an ecosystem by eating dead or decaying organisms is a:

• Predator

• Autotroph

• Producer

• Decomposer

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The ecological role an organism performs in their specific environment is considered the organism's...

• Habitat

• Population

• Biome

• Niche

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.

• It shows how sunlight flows within an ecosystem.

• They show what direction the energy is flowing between organisms. 

• They represent how water is transferred within a habitat.

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