IB Biology Sub-topic D4.1 Definitions

This page contains our IB Biology definitions for sub-topic D4.1. By learning each one of these definitions, you will fully cover the content for IB Biology 'Further natural selection'.

All Topic 4 Sub-topics

A4.1: Evolution & Speciation

(HL)A4.1: Further speciation

A4.2: Conservation Of Biodiversity

B4.1: Adaptations

B4.2: Ecological Niches

C4.1: Populations & Communities

C4.2: Energy & Matter Transfer

D4.1: Natural Selection

(HL)D4.1: Further natural selection

D4.2: Stability & Change

(HL)D4.2: Ecological stability

D4.3: Climate Changes

(HL)D4.3: Further climate change

gene pool

All the genes and their different alleles present in an interbreeding population

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