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Ecosystems Communities

Topic 1: Ecosystems Communities

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Nature's Neighbourhood

Introduction 2

Key Definitions — Learn These EXACTLY!

Key Facts 3

Deep Dive: Biotic vs Abiotic Factors

Deep Dive 4

Interdependence — Why It Matters

Key Facts 5

Food Chains and Food Webs

Key Facts 6

Exam Tips

Exam Tips 7

How It Works: Energy Flow Through Trophic Levels

Pyramids of Biomass

Predator-Prey Cycles

Key Definitions

Common Misconceptions

Memory Aids

Exam Focus

Knowledge Organiser

Exam Tips: Ecosystems and Communities

Exam Tips

Sample Flashcards

What is a habitat?

The place where an organism lives — the specific part of the environment that provides everything the organism needs to survive.

What is a community?

All the populations of different species living and interacting in the same area at the same time.

Exam questions for Ecosystems Communities

What is a community in ecology?

A. All organisms of one species in an area
B. All the different species living in an area
C. The place where an organism lives
D. A community plus the abiotic environment

1 markfoundation

Explain what is meant by interdependence in an ecosystem.

2 marksstandard

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