Ecology

Aphids are small insects that live on various types of plants and feed on their sap. When there is a large population of aphids occupying a plant, they may remove too much sap causing the plant to change color or wilt. Ladybugs eat aphids and are often used in greenhouses to control the aphid population. Which type of relationship exists between the aphids ladybugs and plants?

• The relationship between the ladybugs and aphids are an example of competition.

•  The aphids and plants are an example of commensalism while the ladybugs and plants

• The ladybugs and aphids are an example of predation while the aphid and plants are an example of parasitism.

•  The ladybugs and plants are an example of mutualism while the aphid and plants are an example of parasitism. 

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A tick and a dog have this type of relationship.

• mutualism

• commensalism

• neutralism

• parasitism

a relationship that occurs when two or more organims of the same species need the same resource at the same time

• competition

• symbiosis

• predation

What term do ecologists use to describe where an animal lives (an animal’s home)?

• Ecosystem

• Ecologist

• Habitat

• Population

The first organism in a food chain is ALWAYS a:

• producer

• consumer

• decomposer

• Any of the above

What happens when different species try to occupy the same niche?

• The species compete with each other

• The species cooperate with each other

• The species coexist with each other

• All of the above

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How does oxygen cycle between plants and animals?

• Plants and animals both release oxygen

• Plants and animals convert water into oxygen

• Plants take in oxygen that is produced by animals

• Animals take in oxygen that is produced by plants

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Ecology is the study of:

• only the living things in the environment

• only the nonliving things in the environment

• how living things interact with each other and the nonliving things in the environment

• scientists who perform research on living things

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Which of the following is an example of a living thing?

• A bacterium

• A shell

• Water

• Sweat

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What type of organism can make its own food?

• A producer (an autotroph)

• A consumer (a heterotroph)

• A decomposer

• All of the above