The grasshopper is pretty. The grasshopper is dangerous. The grasshopper is better than a spider. The grasshopper is smaller than the leaf.
Tori made some observations about a grasshopper she saw on a nature walk. Which statement about the grasshopper is a scientific observation?

Options:
- The grasshopper is pretty.
- The grasshopper is dangerous.
- The grasshopper is better than a spider.
- The grasshopper is smaller than the leaf.

The grasshopper is smaller than the leaf.