Across
- 3. How many categories of pests are there?
- 5. A substance that kills pests.
- 6. The animals or humans in which parasites live (think: Sam)
- 7. A destructive insect or another animal that attacks crops, food, livestock, etc.
Down
- 1. An organism that lives on or in a host organism and gets its food from or at the expense of the host (think of Sam's story).
- 2. Are all insects pests?
- 4. Farm animals such as cows, sheep, and chickens.