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9.2 Energy transfer and biodiversity

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Question 25
H

A non-indigenous mammal is introduced to an island. It eats eggs of native birds and competes with a native mammal for seeds.

Which pair of effects is most likely before conservation action is taken?

[1]
A

Native bird survival rises; native mammal food availability falls.

B

Native bird survival falls; native mammal food availability falls.

C

Native bird survival falls; native mammal food availability rises.

D

Native bird survival rises; native mammal food availability rises.

Markscheme

9.2 Energy transfer and biodiversity Questions

  1. GCSE
  2. /Biology
  3. /9.2 Energy transfer and biodiversity

38 exam-style questions on Edexcel GCSE Biology 9.2 Energy transfer and biodiversity, covering 9.2.1 Energy transfer between trophic levels, 9.2.2 Efficiency of energy transfers, 9.2.3 Human interactions and biodiversity, 9.2.4 Benefits of maintaining biodiversity, and 9.2.5 Biological factors affecting food security. Each one has a worked solution and a mark scheme showing where the marks go.

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