Classifying Organisms Using a Classification Key › Revision notes
Classifying Organisms Using a Classification Key — Revision notes
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Brain dump
Before you look at anything else, write down everything you can remember about this lesson: key words, facts, examples. Spelling doesn't matter. Then see which of the 17 key terms you remembered.
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Ones you missed. Read these, then try again tomorrow:
Key terms
- Classification key
- A list of questions, each with two answers, that leads to an organism's group
- Classification
- Sorting living things into groups based on their features
- Taxonomy
- The science of classifying living things
- Kingdom
- The biggest classification level, holding many organisms with little in common
- Species
- The smallest classification level, where organisms share the most features
- Producer
- A living thing that makes its own food, like a plant
- Consumer
- A living thing that has to eat other living things, like an animal
- Vertebrate
- An animal with a backbone
- Invertebrate
- An animal without a backbone
- Mammal
- A vertebrate with hair or fur whose mothers feed their young on milk
- Bird
- A vertebrate covered in feathers that lays eggs with hard shells
- Warm-blooded
- Keeps a steady body temperature
- Cold-blooded
- Body temperature changes with the surroundings
- Reptile
- A cold-blooded vertebrate with dry, scaly skin; most lay eggs on land
- Amphibian
- A cold-blooded vertebrate with moist skin; most lay jelly-covered eggs in water
- Fish
- A cold-blooded vertebrate that lives in water and breathes with gills
- Blowhole
- The opening on top of a whale's head that it breathes air through
TERM — tap to reveal
What this lesson covers
How well do you know each one? Be honest: red means go back over it.
- Describe the seven main levels of classification, from kingdom to species
- Explain the difference between producers and consumers, and vertebrates and invertebrates
- Identify the five main vertebrate groups and a key feature of each
- Explain how a classification key sorts an animal into the right group
- Describe what makes a good question for a classification key
- Explain why accurate classification matters for protecting wildlife
Test yourself
Cover the answer, say it out loud, then check the full quiz on the lesson page.
- Which feature do only birds have today?
- An armadillo is covered in hard, bony plates. Is it a reptile or a mammal?
- Which of these animals is NOT a mammal?
Topic quiz
21 questions on this topic only — not mixed with anything else, one at a time.
Question 1 of 21
Score: 0 out of 21
Spelling challenge
Read the definition, then type the correct spelling of the term. Uses the same terms as above.
Score: 0/0