Theme 5 - Processes and interactions within ecosystems Flashcards

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1
Q

What are two main characteristics of large-scale ecosystems?

A

.rainfall
.temperature

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2
Q

What are some examples of biomes?

A

.desert
.tropical rainforest
.taiga
.savanna

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3
Q

What is the relationship between biotic and abiotic parts of the ecosystem?

A

interdependent relationship (if one part of the ecosystem is altered then the whole ecosystem will be changed

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4
Q

Water cycle?

A

movement of water between stores.

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5
Q

Nutrient cycle?

A

movement of nutrients in the ecosystem between stores.

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6
Q

Food chain?

A

the interconnections between different organisms that rely on one another as their source of food.

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7
Q

What are 4 ways in which ecosystems provide key services?

A

.provisioning services - e.g. providing timber for building, foodstuffs such as honey, ext
.regulating services - reducing risk of floods, preventing soil erosion, providing medicines
.cultural services - spiritual and lesure resources (areas to meditate or walk)
.supporting services - e.g. carbon cycle which maintains the conditions needed for life on Earth

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