How Ecosystems work

A trophic cascade is

• An ecosystem in a waterfall

• A series of food chains that fall apart

• eating lots of food in a specific order

• a food web that is effected from the top down

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The non living parts of an ecosystem

• abiotic factors
• biotic factors
• oxygen
• soil

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An abiotic part of an ecosystem; required by plants to perform photosynthesis.

• water
• soil
• sunlight
• oxygen

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the living parts of an ecosystem

• biotic factors
• biology
• abiotic factors
• animals

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Taking into account the image, People can explain that it is an ecosystem because it shows

• Variety of biodiversity such animals, plants and organisms.

• Non-living environments like weather, sun, water and climate.

• Wonderful and touristic places.

• Communities of living and non- living things that work together.

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Which type of organism gets its energy directly from the Sun?

• producer
• consumer
• composer
• decomposer

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In what process is Carbon transformed into chemical energy?

• Photosynthesis
• Respiration
• Primary Production
• Secondary Production

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How do animals get carbon?

• By eating plants and or other animals.

• They absorb it from the atmosphere.

• From the ground

• They do not get carbon from anywhere.

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The largest number of individuals that an environment can support long term is...

• carrying capacity

• emigration

• immigration

• population density

Something that regulates the size of a population is called...

• a limiting measure

• a limiting factor

• carrying capacity

• biodiversity

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