Civil Services Prepby Garima Malik & Nitin Sangwan

Agriculture and Food Systems CSAT: Comprehension, Reasoning and Numeracy Current Affairs Study Disaster Risk and Management Economy and Development Qualifying English Environment, Ecology and Climate Essay and GS Answer Writing Ethics, Integrity and Aptitude Indian and World Geography Governance and social justice Ancient and Medieval History, Art and Culture Modern Indian History Qualifying Indian Language Internal Security International Relations Polity and Constitution General Science and Technology Indian Society Modern World History

PYQs Evaluate your answer

Current affairs Common questions

Account

Home
Syllabus
Environment, Ecology and Climate
Ecosystem structure and functioning
Ecosystem components

UPSC · Prelims and Mains

Environment, Ecology and Climate

← All subjects

Find a topic

Environment, Ecology and Climate

Organisms, populations and ecological relationships
Ecosystem structure and functioning
Habitats, ecological boundaries and degradation
Biodiversity loss and conservation
Air pollution and noise
Water pollution, soil contamination and environmental health
Waste management and cleaner production
Climate change, mitigation and adaptation
International environmental cooperation
Environmental assessment and sustainable development
Indian conservation law and biodiversity access
Environmental clearances, forest diversion and remedies

← Ecosystem structure and functioning

Ecosystem components

Find a topic

Biotic component
Abiotic component
Species composition
Ecosystem stratification

Civil Services Prep

nitin@preps.in

Study

Home Prelims practice Syllabus Mains evaluation Plans and pricing Current affairs Mentorship Mains PYQ library

Explore

Prelims PYQs Prelims MCQs Mains PYQs Current affairs archive Blog

Exam information

UPSC syllabus Exam calendar Eligibility Prelims cut off Prelims 2026 answer key

Legal

Privacy policy Terms of service