Mammoth Memory

Invertebrates

Here's a really quick way of testing if you've learned the meanings of the key words in this section. Look at the key word on the left and see if you can remember its definition.

If you get stuck, you can be shown a hint on the right to reveal an image that should help you remember.

To check if you're right, or remind you if you've forgotten, press "Reveal".

Go through the whole list to see how many definitions you can recall. Revisit any that you had difficulty remembering until you're confident you can recall all of them.

  • What are invertebrates? Answer: Animals without a backbone Hint
  • Name an invertebrate group Answer: Colelentrates Hint
  • Name an example Answer: Jellyfish Hint
  • Name another invertebrate group Answer: Annelids Hint
  • name an example Answer: Freshwater leech Hint
  • Name another invertebrate group Answer: Nemetodes Hint
  • Name an example Answer: Roundworm Hint
  • Name the next invertebrate group Answer: Mollusc Hint
  • Name an example Answer: Snail Hint
  • Name the next invertebrate group Answer: anthropods Hint
  • Name the next invertebrate group Answer: Echinoderms (Eck-kyne-oh-derm) Hint
  • Name an example Answer: Star fish Hint
  • Again the easiest way to remember what arthropods are is to follow our mnemonic story
  • According to this, what are the first two arthropod classes? Answer: Arachnids and crustaceans Hint
  • Common examples of these are? Answer: Spiders and crabs Hint
  • The next arthropod class is ? Answer: Insects Hint
  • Common examples of these include Answer: Flies and beetles Hint
  • How many legs do insects have? Answer: Six Hint
  • How many legs do arachnids have? Answer: Eight Hint
  • How many legs do crustaceans have? Answer: Ten Hint
  • How many legs do myriapods have Answer: Twenty plus Hint
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