Feeding Relationships Flashcards

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1
Q

how is a community formed?

A

formed of the populations of all the species present in an ecosystem at a particular time

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2
Q

how do species in a community interact with each other and the physical environment?

A
  • feeding on each other - this allows the nutrients to be recycled
  • competition for resources e.g. food, mates, nesting sites
  • using abiotic resources e.g. absorbing mineral ions from the soil and using water
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3
Q

what do the arrows show in a food chain?

A

the direction that energy and biomass moves from the species that is eaten to the animal that eats it

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4
Q

what are trophic levels?

A

the stages in a food chain

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5
Q

what is a producer?

A

the plant that feeds the primary consumer

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6
Q

what is the first animal on a food chain called?

A

primary consumer

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7
Q

what is the second animal on a food chain called?

A

secondary consumer

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8
Q

what is the third animal on a food chain called?

A

tertiary consumer

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9
Q

what is a decomposer?

A

an organism that breaks down dead organic material (can be seen in food chains)

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