Printable worksheet ยท 4 of 4

A young form may look very different - Paper 4

Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.

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Life-cycle clue: a frog larva swims in water before developing legs. Supplied simplified sequences: frog, egg -> tadpole -> young frog -> adult; butterfly, egg -> caterpillar -> pupa -> adult. Stages change in form, not only size. A pupa is not an egg. Insect life cycles vary: this butterfly sequence is not a claim about every insect. Do not collect eggs or disturb pond life.

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  1. Which frog stage matches this clue: 'a frog larva swims in water before developing legs'?
  2. What comes after tadpole in the supplied frog sequence?
  3. Would the frog example prove that every insect has a pupa? Explain.

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