Question # 1

In an ecosystem the flow of _________ is one way, while _________ is/are constantly recycled.

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Minerals, energy

Energy minerals

Oxygen, Energy

Glucose, water

Water , soil, air, temperature, wind and sunlight are example of:

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Biotic factors

Biomass

Environment

Abiotic factors

Naturally found in graphite and diamond.

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Nitrogen

Oxygen

Hydrogen

Carbon

Which one is not biotic factor.

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Plants

Animal

Mud

Bacteria

Habitat destruction can result in a loss of:

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Species

Population

Community

Ecosystem

What is tertairy cornivore:

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Deer

Frog

Snake

Lion

An epiphyte is an example of:

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Parasitism

Mutualism

Commensalism

Symbiosis

All herbivore animals are.

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Grass eater

Parasites

Predators

Prey

Conversion of Nitrates into nitrogen gas is called.

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Denitrification

Assimilation

Ammonification

Nitrogen fixtation

Identify the correctly matched pair:

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Rainfall biotic factors in ecosystem

Global warming formation of fossil fuels

Renewable natural resources air

Corn secondary consumer

Biospher surrounding the earth is about:

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17 km

18 km

19 km

20 km

Which one of the following is not an example of fossil fuels?

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Plants

Peat

Coal

Natural gas

Example of Ectoparasite is:

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Becteria

Virus

Ascaris

Mosquito

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