Ecosystems and Tropical Rainforests Flashcards

1
Q

What are biotic factors?

A
  • plants
  • animals
  • bacteria
  • fungi
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2
Q

What are abiotic factors?

A
  • water
  • soil
  • air
  • sunlight
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3
Q

What is an ecosystem?

A

A community of plants and animals that interact with one another and their physical environment.

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4
Q

What is a biome?

A

A global scale ecosystem, such as rainforests or deserts.

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5
Q

What is a food chain?

A

This shows the different links between different organisms that rely on each other as a source of food within an ecosystem.

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6
Q

What is a food web?

A

This shows the complex hierarchy of plants and animals that rely on each other as a source of food within an ecosystem.

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7
Q

What are the 2 main sources of nutrients in an ecosystem?

A
  • Rainwater, washing chemicals out of the atmosphere.
  • Weathering of rocks, releasing chemicals into the soil.
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8
Q

What is the nutrient cycling?

A
  • When dead material is decomposed, nutrients are released into the soil.
  • The nutrients are then taken up from the soil into plants.
  • The plants may be eaten by consumers.
  • When the plants or consumers die, the nutrients return to the soil.
  • This transfer of nutrients is called nutrient cycling.
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9
Q

What are the

A
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