Biodiversity and Conservation Worksheet
This worksheet covers key concepts in biodiversity and conservation, including threats to biodiversity, conservation strategies, and ecosystem services, suitable for Grade 12 science students.
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Biodiversity and Conservation Worksheet
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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.
1. Which of the following is considered a direct threat to biodiversity?
Ecosystem restoration
Sustainable agriculture
Habitat fragmentation
Protected areas
2. What is the primary goal of in-situ conservation?
Preserving species in zoos
Protecting species in their natural habitat
Storing genetic material in gene banks
Breeding endangered species in captivity
1. The variety of life on Earth at all its levels, from genes to ecosystems, is known as .
2. The loss of a species from the entire planet is called .
3. The convention on Biological Diversity (CBD) is an international treaty promoting conservation.
1. Climate change is considered an indirect threat to biodiversity.
True
False
2. Ex-situ conservation involves protecting species within their natural habitats.
True
False
1. Briefly explain the concept of an 'ecosystem service' and provide two examples.
2. Discuss the main differences between 'habitat loss' and 'habitat fragmentation' as threats to biodiversity.
Match the term on the left with its definition or example on the right.
1. Endemic species
a. A species whose population is so low that it is at risk of extinction
2. Keystone species
b. A species found only in a specific geographic area
3. Endangered species
c. A species that has a disproportionately large effect on its environment relative to its abundance
Study the image below, which illustrates a diverse ecosystem. Then answer the question.
1. Based on the concept of biodiversity and ecosystem services, how does the variety of species shown in the image contribute to the overall health and resilience of this ecosystem?
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