Animal Life Cycles

Grade 3 Science Worksheet

Circle the answer.

1. 1.

   Which stage of a mosquito can lay eggs?

   • the larva
   • the egg
   • the pupa
   • the flying adult
2. 2.

   A grasshopper hatches as a nymph that looks like a small adult without wings. What stage comes next?

   • larva
   • pupa
   • caterpillar
   • adult with wings
3. 3.

   Look at the ladybug life cycle. Which stage is missing?

   • tadpole
   • nymph
   • pupa
   • hatchling
4. 4.

   Salmon hatch in a stream, swim to the ocean, and then return to the stream as adults. Why do they return?

   • to find warmer ocean water
   • to lay eggs where they hatched
   • to turn back into young salmon
   • to grow gills for the first time
5. 5.

   How is a frog's life cycle like a butterfly's?

   • both breathe with gills as adults
   • both have a chrysalis stage
   • the young look very different from the adult
   • both lay eggs on leaves
6. 6.

   Which animal goes through a pupa stage?

   • a sea turtle
   • a frog
   • a grasshopper
   • a ladybug
7. 7.

   A dragonfly nymph lives in a pond for months. What does it do when it is ready to become an adult?

   • builds a chrysalis under the water
   • lays eggs on the pond bottom
   • climbs out of the water and sheds its skin
   • grows a shell like a snail
8. 8.

   Which stage of a butterfly eats the most and grows the fastest?

   • the egg
   • the chrysalis
   • the caterpillar
   • the adult butterfly
9. 9.

   A sea turtle lays about 100 eggs on a beach. Why does it lay so many?

   • the mother turtle stays to feed them
   • only a few young will survive to become adults
   • each egg needs 100 others to hatch
   • the eggs keep each other cold
10. 10.

    A chick hatches from an egg. What stage comes after the chick?

    • a young chicken
    • a tadpole
    • an egg again
    • a larva