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Inheritance & EvolutionDeep Dive

Example: Antibiotic Resistance

Part of Evolution · GCSE GCSE Biology revision

This deep dive covers Example: Antibiotic Resistance within Evolution for GCSE Biology. Theory of evolution, natural selection, and evidence for evolution It is section 4 of 15 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 4 of 15

Practice

29 questions

Recall

12 flashcards

Example: Antibiotic Resistance

  1. Random mutation gives some bacteria resistance to antibiotic
  2. Antibiotic kills non-resistant bacteria
  3. Resistant bacteria survive and reproduce
  4. They pass on resistance allele to offspring
  5. Eventually, most of population is resistant
  6. The antibiotic no longer works

Example: MRSA — "superbug" resistant to many antibiotics

Keep building this topic

Read this section alongside the surrounding pages in Evolution. That gives you the full topic sequence instead of a single isolated revision point.

Evidence for EvolutionVisual: Natural Selection — The Peppered MothThe Story: The Survival of the FittestNatural Selection — Step by Step

Practice Questions for Evolution

What is evolution?

  • A. The gradual change in living organisms over time
  • B. The growth of an individual organism
  • C. Animals moving to different habitats
  • D. The creation of new organisms from nothing
1 markfoundation

Describe three pieces of evidence that support Darwin's theory of evolution.

4 marksstandard

Quick Recall Flashcards

What did Charles Darwin propose and when?
In 1859, Darwin published 'On the Origin of Species', proposing that all species evolve through natural selection. Individuals with advantageous characteristics are more likely to survive, reproduce, and pass on those traits to offspring.
What is evolution?
The gradual change in the inherited characteristics of a population over many generations through the process of natural selection. It can lead to new species forming over very long time periods.

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Evidence for Evolution

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Visual: Natural Selection — The Peppered Moth