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The Science Of Nature Ecosystem Quiz 16

The Science Of Nature Ecosystem Quiz 16

Welcome to The Science of Nature Ecosystem Quiz. An ecosystem is the living organisms, their environment, and their interrelations with their environment\\\'s nonliving components. Different ecosystems help some living this prospers where others cannot. Understanding our ecosystem and those of the world helps us understand the earth better. Are you a fan of the climate? Take this quiz and learn more about our ecosystem.

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Quiz Questions And Answers

Which of the following two organisms are producers?

Plants and phytoplankton.
Plants and consumers.
Consumers and phytoplankton.
Phytoplankton and chlorophyll.

A food web is more realistic than a food chain for showing the feeding relationships in ecosystems because:

It compares the number of consumers to the number of micro-organisms in an ecosystem.
Food chains use only a small sampling of organisms.
A food web explains why there are more producers than consumers.
Producers are usually eaten by many different consumers and most consumers are eaten by more than one predator.

The largest percentage of solar energy that penetrates the atmosphere of the Earth is used to:

Heat the atmosphere and the Earth's surface.
Carry on photosynthesis.
Generate winds.
Heat and evaporate water.

Albedo is a measure of the percentage of light that is:

Absorbed by an object.
Transmitted through the atmosphere.
Converted into sugar by photosynthesis.
Reflected by an object.

A species of plant or animal that is facing imminent extinction or extirpation is said to be:

Extinct
Extirpated
Endangered
Threatened

Consider this food chain: algae --> water fleas minnows --> trout --> > bear The minnows in this food chain are:

Tertiary carnivores.
Secondary carnivores.
Primary carnivores.

Heterotrophs obtain energy from all of the following except:

Autotrophs
Herbivores
Solar radiation.
Other heterotrophs.

For the following food chain: seeds à sparrow à owl if there are 100 000 kJ of energy available in the seeds, how many kilojoules are passed on to the owl?

None
10 kJ
100 kJ
1 000 kJ

Which of the following is NOT an abiotic factor?

Decomposer
Light intensity.
Wind
Humidity

A species of plant or animal that is facing imminent extinction or extirpation is said to be:

Extinct
Extirpated
Endangered
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