What is a life cycle? What stages does a butterfly go through in its life cycle? What stages does a sunflower go through in its life cycle? Is an ecosystem? Is it important to protect ecosystems?

Here are the answers to your questions based on the provided text:

1. A life cycle is the process where living things, like plants, grow, reproduce, and then the cycle repeats for new generations.

2. The provided text does not detail the specific stages of a butterfly's life cycle.

3. A sunflower's life cycle starts as a tiny seed, grows into a bright yellow flower, and then produces seeds that grow into new sunflowers.

4. An ecosystem is "a community of living things, like plants and animals, and their environment."

5. It is important to protect ecosystems because "each organism plays an important role in keeping the ecosystem healthy."