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ScotlandEnvironmental ScienceQuick questions
Area 1: Living Environment
Quick questions on Biodiversity: species, genetic and ecosystem diversity - SQA National 5 Environmental Science
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are 1. Ecosystem services?Show answer
Healthy, diverse ecosystems provide free services that people depend on:
What is 2. Stability and resilience?Show answer
A more diverse ecosystem is more stable: it can keep functioning and recover more easily after a disturbance such as disease, fire or drought, because if one species declines another can take on a similar role.
What is q1?Show answer
Name the three levels at which biodiversity is described. [1 mark]
What is q2?Show answer
Explain why a freshwater invertebrate can be used as an indicator species for water quality. [2 marks]
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