Across
- 2. Someone who studies fossils of plants and animals in order to reconstruct past ecosystems.
- 4. A single-celled type of fungi that produce the enzymes, which convert sugar to alcohol and carbon dioxide.
- 5. in the sea and to use as flavoring
- 9. we use it to get a better immune system from that spesifc disease
- 10. In human nutrition, a nutrient that is required in large amounts and provides the energy needed to maintain body functions and carry out the activities of daily life.
Down
- 1. A type of rock that contains a lot of iron but not much silica
- 3. A hormone produced in the stomach, duodenum and pancreas that stimulates the release of hydrochloric acid in the stomach.
- 6. A hydrogen-containing substance that is capable of donating a hydrogen ion to another substance.
- 7. In science, a person interested in natural history.
- 8. The state of matter distinguished from the solid and liquid states. Gases have the ability to diffuse readily and to become distributed uniformly throughout any container.