Humans and Animals use Aquatic Environments

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Across
  1. 8. A change to an ecosystem from things like: drought, flooding, volcanic eruption, pollution or El Niño.
  2. 9. Organisms that have similar characteristics to each other and can breed.
  3. 10. The rapid growth of microscopic algae in water resulting in a scum on the surface and reduced oxygen in the water..
  4. 11. Water used in industry (like for factories, oil and gas recovery, mining or forestry).
  5. 12. Aquatic ecosystems with high levels of dissolved salt
  6. 14. A group of living organisms that live close together and interact with each other.
  7. 16. Another word for “basic” (a pH greater than 7).
  8. 17. Water used for growing crops or raising animals.
Down
  1. 1. The variety of all living things and their relationships.
  2. 2. A major change to an ecosystem that can cause the extinction of species.
  3. 3. Natural or artificial substance that improve the growth of plants.
  4. 4. Something that helps an organism survive better in its environment.
  5. 5. An aquatic ecosystem that includes lakes, ponds, rivers, streams, springs, bogs, and wetlands.
  6. 6. Water used in a home.
  7. 7. A group of the same species living in the same place.
  8. 13. rain that has a pH less than 7, due to pollutants.
  9. 15. A change from winter to spring, spring to summer, etc.