Across
- 2. – The process of a cell splitting into two or more parts to create new life.
- 3. – The process of breathing or the way cells produce energy from food.
- 4. – Tiny, microscopic plants that drift in the ocean and form the base of the marine food web.
- 5. – A type of single-celled organism that moves and eats by changing its shape.
- 8. – Single-celled organisms that can be found everywhere; some are helpful, and some cause disease.
- 9. – Too small to be seen without a microscope.
- 11. – A colorless, odorless gas that makes up about 78% of Earth's atmosphere and is vital for plant growth.
- 12. – A living thing that is too small to see with the naked eye.
- 14. – The process by which green plants and some other organisms use sunlight to synthesize foods.
- 15. – A kingdom of living things (like mushrooms and molds) that absorb nutrients from organic matter.
- 16. – A bacterium, virus, or other microorganism that can cause disease.
- 17. – Simple, plant-like organisms that grow in water and use sunlight to make food.
- 18. – Relating to or consisting of two parts.
Down
- 1. – A group of single-celled organisms that often live in water and eat bacteria or other tiny food particles.
- 3. – The biological process by which new individual organisms are produced.
- 6. – The process of eliminating or expelling waste matter.
- 7. – A space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.
- 10. – An organism that breaks down dead plant and animal matter into simpler parts.
- 11. – Substances that provide nourishment essential for growth and the maintenance of life.
- 13. – Temporary "false feet" that some cells use for moving and grabbing food.
