Biodiversity — Chapter Summary
ICSE · Class 10 · Environmental Science
Summary of Biodiversity for ICSE Class 10 Environmental Science. Part of the ICSE Class 10 Environmental Science syllabus.
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Overview
Biological diversity or biodiversity is the term given to the variety of life on Earth. It includes the variety within and between all species of plants, animals and microorganisms, along with the ecosystems in which they live and interact. Biodiversity is essential for life because it supports ecol
Key Concepts
Biodiversity means the variety of life
Biodiversity means the variety of life on Earth. It includes differences among organisms, species and ecosystems.
Habitat loss is one of
Habitat loss is one of the greatest threats to biodiversity. It happens when natural places are destroyed or altered by agriculture, mining, settlemen
Overharvesting means excessive hunting
Overharvesting means excessive hunting, fishing or collecting of living organisms. It leads to a rapid decline in species numbers.
Exotic species introduced into an area
Exotic species introduced into an area may replace native species and disturb natural balance.
Pollution damages living systems
Pollution damages living systems, while climate change alters rainfall, temperature and habitats.
Learning Objectives
- Understand the meaning of biodiversity and its importance.
- Identify the major causes of biodiversity loss.
- Explain why conservation of wildlife is necessary.
- Distinguish between in-situ and ex-situ conservation.
- Describe the role of national and international conservation measures.
Frequently Asked Questions
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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