4a + b - Ecology Flashcards

1
Q

What are abiotic factors ?

A

Non living factors

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2
Q

What are biotic factors ?

A

Living factors

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3
Q

What are 3 examples of abiotic factors?

A
  • light intensity
  • temperature
  • CO2/O2 Levels
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4
Q

What are 3 examples of biotic factors

A
  • pathogens
  • predators
  • competition
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5
Q

What are producers?

A

Organisms that produce their own energy from sunlight

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6
Q

What are primary consumers?

A

Herbivores

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7
Q

What are secondary consumers

A

Predators that feed on primary consumers

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8
Q

What are tertiary consumers?

A

Predators that feed on secondary consumers

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9
Q

What do trophic levels describe

A

The position of an organism in a food chain/web

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10
Q

Give three ways energy is lost?

A
  • making waste products
  • as movement
  • as heat
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11
Q

What is an ecosystem

A

The community of organisms and the habitat they live in.

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12
Q

What is a population

A

A group of organisms of one species, living in the same area at the same time

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13
Q

What is a community?

A

All the different species in a habitat

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14
Q

What is a habitat?

A

The place where an organism lives

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