Bio. 2 Quizziz Ch. 2: Principles of Ecology

Some birds are known as honey guides because they may be followed by humans to wild beehives. When the humans take honey from the hives, the birds are able to feast on the honey and bees, too. This type of relationship can best be described as ____.

• parasitism

• commensalism

• mutualism

• predation

Cougars are predators that often eat weakened or diseased animals. This is a description of the ____ of cougars.

• niche

• habitat

• community

• ecosystem

This group of animals is known as a/an ___?

• ecosystem

• organism

• population

• niche

In this energy pyramid, which level has the smallest number of organisms?

• butterfly (1st Level Consumer)

• lizard (2nd Level Consumer)

• bird (3rd Level Consumer)

• fox (4th Level Consumer)

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What is the ultimate source of energy for all food chains/webs or ecological pyramids on the surface of the Earth?

• Plants

• The Sun

• The Moon

• Kinetic Energy

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The organism shown (a flea) is involved in which type of symbiosis?

• parasitism

• predation

• mutualism

• commensalism

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Organisms with overlapping niches probably have which type of relationship?

• commensal

• mutualistic

• competitive

• parasitic

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What would “soil type” to an earthworm?

• carbon source

• biotic factor

• biome

• abiotic factor

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A researcher is studying reproduction in Taraxacum officinale, the dandelion. She decides to measure only soil temperature. You think her study is poorly-designed. Why?

• dandelions are not affected by soil temperature

• biotic factors probably play a large role in dandelion reproduction

• it is hard to measure soil temperature accurately

• soil temperature varies too much

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Some farmers use manure on their crop fields. How does this help the plants?

• protects them from intense sunlight

• keeps insects from eating the crops

• increases soil nitrogen and phosphorus levels

• increases soil oxygen and carbon dioxide levels

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