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Topic 17: Selection and Evolution

This topic is included in Paper 4 for Cambridge International (CIE) Biology. Resources to support this topic can be found below.

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Factsheets

A Level Biology

381. Antibiotic Resistance and Phage Therapy

This Biology Factsheet covers antibiotic resistance and outlines the use of phage therapy as an...

A Level Biology

362. Bringing Back a Species from Extinction

This Biology Factsheet: • Describes what is meant by a species. • Outlines why species become...

A Level Biology

343. Allopatric and Sympatric Speciation

This Biology Factsheet summarises: • What is meant by allopatric speciation. • What is meant by...

A Level Biology

319. Measuring Genetic Diversity

This Biology Factsheet will explain: • How we measure genetic diversity by calculating the...

A Level Biology

318. Measuring Biodiversity

This Biology Factsheet will explain: • The meaning of the word ‘biodiversity’.• How we measure...

A Level Biology

314. What is a Species?

This Biology Factsheet: • Gives a working definition of a species. • Describes how species are...

A Level Biology

292. Investigating Selective Pressure on Banded Snails

This Biology Factsheet explains the concept of selective pressure using the example of song thrush...

A Level Biology

282. What can Mitochondrial DNA (mtDNA) tell us?

This Biology Factsheet: • Describes mtDNA. • Explains why it can be used to trace evolutionary...

A Level Biology

275. The Founder Effect, Genetic Drift and Bottlenecks

This Biology Factsheet explains: • Explains the concepts of genetic drift, genetic bottlenecks and...

A Level Biology

265. Evidence for Evolution: The Pentadactyl Limb

This Biology Factsheet will focus on homologous structures and, in particular, the pentadactyl limb.

A Level Biology

252. Is Human Evolution Finally Over?

This Biology Factsheet summarises: • Traits arising from recent human evolution. • Relevant case...

A Level Biology

211. Hardy Weinberg and Population Genetics

This Biology Factsheet explains the basis for this equilibrium in allele frequency.

A Level Biology

201. Humans: Evolution or Creation?

This Biology Factsheet reviews the controversy as well as recent exam questions on human evolution.

A Level Biology

191. What have we Learned from Darwin’s Finches?

This Biology Factsheet: • Outlines how Charles Darwin used his observations of finches in the...

A Level Biology

187. Selective Breeding of Cattle

This Biology Factsheet summarises the principles of selective breeding, progeny testing and...

A Level Biology

142. Modern Examples of Evolution in Action

This Biology Factsheet summarises: • The process of speciation. • Modern examples of evolution. •...

A Level Biology

85. The Paired T-Test and when to use it

This Biology Factsheet will tell you when and how to use the paired t-test.

A Level Biology

77. Hypothesis Tests and Mann-Whitney U-Test

This Biology Factsheet summarises what is involved in a statistical test of a hypothesis and...

A Level Biology

50. Sources of Genetic Variation

This Biology Factsheet describes: • Variation produced by polygenic inheritance. • Variation...

A Level Biology

44. Evolution

This Biology Factsheet: • Identifies the four key principles that are needed to understand...

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PowerPoints

A Level Biology

Evolution - A-Level PowerPoint

This is an A-Level Biology PowerPoint Presentation on Evolution.

A Level Biology

Inheritance and Hardy-Weinberg - A-Level PowerPoint

This is an A-Level Biology PowerPoint Presentation on Inheritance and Hardy-Weinberg.

A Level Biology

Selection and Speciation - A-Level PowerPoint

This is an A-Level Biology PowerPoint Presentation on Selection and Speciation.

A Level Biology

Evolution – A-Level Exam Doctor PowerPoint

This is an A-Level Biology Exam Doctor PowerPoint Presentation on Evolution. The Exam Doctor...

A Level Biology

Mutation – A-Level Exam Doctor PowerPoint

This is an A-Level Biology Exam Doctor PowerPoint Presentation on Mutation. The Exam Doctor...

A Level Biology

Mann-Whitney U-Test – A-Level Statistical PowerPoint

This is a Statistical PowerPoint Presentation on the Mann-Whitney U-Test for A-Level Biology.

A Level Biology

T-Test – A-Level Statistical PowerPoint

This is a Statistical PowerPoint Presentation on the T-Test for A-Level Biology.

A Level Biology

T-Test: Un-Paired – A-Level Statistical PowerPoint

This is a Statistical PowerPoint Presentation on T-Test: Un-Paired for A-Level Biology.

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Questions and Answers

A Level Biology

Evolution Questions - A-Level

These are practice examination questions on Evolution for A-Level Biology.

A Level Biology

Evolution Answers - A-Level

These are the answers to the Evolution practice questions for A-Level Biology.

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