A sunflower grows toward the Sun. A Venus's-flytrap plant closes its leaves around a fly. An egg hatches, grows into a tadpole and then into a frog. A lizard loses its tail and grows a new one.
I gave my students this multiple choice question: Which of the following is a description of an organism's development?

Only one answer is correct among these 4 choices:
- A sunflower grows toward the Sun.
- A Venus's-flytrap plant closes its leaves around a fly.
- An egg hatches, grows into a tadpole and then into a frog.
- A lizard loses its tail and grows a new one.

Could you tell me which one is correct?

An egg hatches, grows into a tadpole and then into a frog.