A threatened animal is bred successfully in captivity. The remaining wild habitat is still being cleared.
Which conclusion best evaluates the conservation programme?
Captive breeding increases numbers, but habitat loss may prevent re-establishment.
Captive breeding increases numbers, so habitat protection is no longer needed.
Captive breeding prevents extinction, so every released animal will survive.
Captive breeding prevents habitat loss, but cannot increase population size.
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.