Ecology and Ecosystems Quiz

What is the difference between an abiotic and biotic factor?

• Abiotic factors are living components, while biotic factors are non-living.

• Abiotic factors are non-living components, while biotic factors are living.

• Abiotic factors can only be found in water, while biotic factors are only on land.

• Abiotic factors produce energy, while biotic factors consume energy.

Match the following organisms with their trophic levels.

• Primary Consumer

• Grasshopper

• Apex Predator

• Lion

• Secondary Consumer

• Hawk

• Tertiary Consumer

• Wolf

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The role of the sun in an ecosystem is to:

• help in the decomposition of dead

• provide energy for producers to make energy through photosynthesis

• cool down the ecosystem to support growth

• provide light only for visibility

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Which of the following best describes a food web?

• A complex network of feeding relationships among organisms in an ecosystem.

• A system that recycles nutrients in an ecosystem.

• A hierarchical structure of water sources in an ecosystem.

• A linear sequence of who eats whom in an ecosystem.

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In an energy pyramid, which level has the least amount of energy?

• Primary producers

• Primary consumers

• Secondary consumers

• Tertiary consumers

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How do decomposers contribute to an ecosystem?

• By preying on herbivores

• By producing oxygen through photosynthesis

• By breaking down dead organisms and recycling nutrients

• By consuming primary producers

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What is the primary role of producers in an ecosystem?

• To consume other organisms for energy

• To decompose organic material

• To provide food for primary consumers

• To regulate the climate

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What is the main difference between a food chain and a food web?

• Food chain is circular, food web is linear

• Food chain involves only producers, food web involves only consumers

• Food chain is more complex than a food web

• Food chain is linear and shows a direct flow of energy, food web is interconnected

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Sort these scenarios into the type of ecological relationship:

Groups:

(a) Predation

,

(b) Mutualism

,

(c) Parasitism

,

(d) Commensalism

• Wrasse fish feed on things attached to a shark

• A lion hunts a zebra in the Sahara

• Fleas feed on the blood of dogs or other mammals

• Mosquitoes feed on the blood of humans or other animals

• Tapeworms live in the intestines of animals and absorb nutrients from the host

• A honeybee collects nectar from flowers

• A house sparrow builds its nest in the beams of a house awning

• Clownfish living in anemones

• A mako shark hunts down a swordfish to eat

• Barnacles attach themselves to whales

• A wolf spider captures a grasshopper in its web

• Birds nesting in trees

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Ecology is the study of:

• Living things and how they interact with their environment

• Living things

• Rocks and minerals

• Stars and Planets

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