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Learning objective

Identify the main characteristics used to group organisms within the animal kingdom, specifically focusing on: (a) the primary categories of vertebrates: mammals, birds, reptiles, amphibians, fish (b) the main categories of arthropods: myriapods, insects, arachnids, crustaceans.

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Cambridge IGCSE BiologyCharacteristics and classification of living organismsCore content

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Quick explanation

Identify the main characteristics used to group organisms within the animal kingdom, specifically focusing on: (a) the primary categories of vertebrates: mammals, birds, reptiles, amphibians, fish (b) the main categories of arthropods: myriapods, insects, arachnids, crustaceans

  • This point belongs to Features of organisms, especially Features of organisms outcomes.
  • You need to be able to identify the main characteristics used to group organisms within the animal kingdom, specifically focusing on: (a) the primary categories of vertebrates: mammals, birds, reptiles, amphibians, fish (b) the main categories of arthropods: myriapods, insects, arachnids, crustaceans.
  • The key ideas to know are State.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

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State

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Paper 3 structured question: Features of organisms

Paper 3Theory (Core)1 marks

Description

Animal Classification

Animals are classified into various groups based on shared characteristics. The main categories of vertebrates include mammals, birds, reptiles, amphibians, and fish. Arthropods are categorized into myriapods, insects, arachnids, and crustaceans.

  1. a

    State the primary categories of vertebrates.

    Aim for approximately 1 distinct marking point.

    [1]
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Cambridge IGCSEBiology resources