Ecosystems Communities

EcologyHigh Exam FrequencyAQAEdexcelOCRWJEC

Ecosystems Communities

Topic 1: Ecosystems Communities

Study this topic

1

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

Exam Tips

Exam Tips 6

How It Works: Energy Flow Through Trophic Levels

How It Works 7

Key Definitions

Definitions 8

Common Misconceptions

Misconceptions 9

Memory Aids

Memory Aid 10

Exam Focus

Exam Focus 11

Knowledge Organiser

Summary 12

Exam Tips: Ecosystems and Communities

Exam Tips

Sample Flashcards

What is pH?

A measure of the concentration of hydrogen ions in a solution

What is CO2?

A gas essential for photosynthesis, produced by humans and animals

Sample Questions

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

15

exam-style questions

20

revision flashcards

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