Chapter 1 Questions

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What is ecology?

The study of relationships between living things and environment

What would happen to the wolf population if their main food source, rabbits, had a decline in population?

The wolf population would decrease

What is a population?

A group of the same species living in an area

What is symbiosis?

A relationship between species

A meadow of grasses and flowers is an example of a climax community.

False

A planet without a thick atmosphere would likely have liquid water.

False

The process that plants perform in order to change atmospheric nitrogen into useable nitrogen is called nitrogen ____.

Fixation

Another name for a primary consumer could be a

Herbivore

What system of the earth would a glacier belong to?

Hydrosphere

Which of the following is not intermediate step in the cycling nitrogen? Lighting

Lighting

If the sun provided 100,000 units of energy, how much energy would be left for the tertiary consumer (level 4)?

100 units

What is the primary source of all energy on planet Earth

Sun

The portion of Earth that contains everything necessary to sustain life is called the

Biosphere

What do decomposers do?

Break down dead organisms

Which of the following is not a where pioneer species begin growing?

Burned out forest

Which of the following is released into the atmosphere by the burning of fossil fuels?

Carbon Dioxide

If all of the herbivores in a forests suddenly died, which group of organisms would most likely be the next group to die?

Carnivores

The final stage of succession is called

Climax Community

Population of maple trees, wood frogs, and morel mushrooms might compose a

Community

A teacher sitting at her desk could be considered an example of a

Consumer

A slug eating the leaves of your mother's prize winning roses is an example of a

Consumer feeding on a producer

If it is a very hot day out by the lake, what part of the water cycle would be speeded up?

Evaporation

Which of the following is a category of symbiosis?

Mutualism, Commensalism, and Parasitism

An organism's role in its environment is called its

Niche

Abiotic factors are ___ in the environment.

Nonliving factors

Which of the following organisms eat both plant and animals

Omnivore

What is considered a successful parasite?

One that does not kill its host

What is a waste product in photosynthesis?

Oxygen

Green plants produce their own food through the process of

Photosynthesis

The process by which plants make food is called

Photosynthesis

The scientific name for rain falling to the earth is called

Precipitation

A _____ is an organism that captures and eats another organism.

Predator

The lawn of a golf course is an example of

Produce

A primary consumer would obtain food by eating a

Producer

Which of the following do organisms compete for?

Resources

An area's return to a stable condition after being disturbed is called

Secondary Succession

In 1989, there was a large forest fire in Yellowstone National Park. What is now happening in the park?

Secondary Succession

If a high school were considered a community, which of the following groups would not be considered as a population?

Seventh Graders

On a trophic pyramid, what level do secondary consumer belong to?

Third

What does the suffix "-vore" mean?

To kill

A coral reef that builds up and creates an island is an example of new land.

True

Primary succession occurs on

Volcanic land

On what cycle do all the other cycles depend on?

Water

Mosquitoes are pesky bugs that get their food supply from the blood of mammals. In order to make the blood easier to suck up, they inject a blood thinner into the mammal that causes that itchy mosquito bites. Is this an example of parasitism?

Yes

Which of the following does not belong? Lion, Tiger, Zebra, and Hyena.

Zebra


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