Biology
Grade-7
Easy
Question
Pick the odd one out:
- Fleas
- Ticks
- Leeches
- Roundworm
Hint:
Fleas, ticks, and leeches are a parasite that lives on the external bodies of the organism. The round worm is a parasite that lives inside the stomach.
The correct answer is: Roundworm
- Parasitism is a relationship where an organism lives on another for food and shelter and causes harm to them.
- Fleas, ticks, and leeches are parasites that live on other organisms. They live on animals and external bodies.
- The roundworm is a parasite on the human stomach that cause diarrhea.
- The host won't get benefits and is harmed sometimes in this type of relationship.
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