Q1
What is a vertebrate?
AAn animal with a backbone
BAn animal without a backbone
CA type of plant
DA type of fungus
ICSEClass 7 (ICSE)ScienceCh 17 · Topic 2
Practice and Revision - Classification of Animals
Let us practise and revise what we learned about classification of animals. Animals are classified as vertebrates (with a backbone) or inver
Core concept
Vertebrates include mammals, birds, reptiles, amphibians, and fish, each group having distinct characteristics like body covering and reproduction.
How it works
Invertebrates, like insects, worms, and molluscs, make up the majority of animal species, lacking an internal skeleton.
Why it matters
Mammals are warm-blooded, give birth to live young (mostly), and produce milk for their young.
Key detail
Understanding animal classification helps us organise and study the incredible diversity of animal life on Earth.
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Quick notes
• Vertebrates have a backbone.
• They include mammals, birds, reptiles, amphibians, fish.
• Invertebrates lack a backbone.
• Examples: insects, worms, molluscs.
• Invertebrates are the majority of animal species.
• Mammals are warm-blooded.
• Mammals mostly give birth to live young.
• Mammals produce milk for their young.