Unit 4 Ecosystem Review

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Across
  1. 1. - The natural environment where a species lives.
  2. 4. - An animal that feeds only on other animals.
  3. 7. - A characteristic that helps an organism survive in its environment.
  4. 8. - A diverse underwater ecosystem formed by coral.
  5. 9. - A hot, arid ecosystem with diverse plant and animal adaptations.
  6. 10. - Organisms introduced to new habitats, often disrupting native ecosystems.
  7. 11. - Poisonous substance that can accumulate in organisms.
  8. 12. - A plant with adaptations for conserving water, common in deserts.
  9. 15. - A small desert animal known for surviving without direct water intake.
  10. 16. - Contaminants introduced into the environment, often by humans.
  11. 17. - At risk of extinction due to habitat loss or other factors.
  12. 18. - The buildup of substances, like toxins, in an organism over time.
Down
  1. 1. - An organism that feeds only on plants.
  2. 2. - The variety of life within an ecosystem.
  3. 3. - The increase of toxin concentration at higher levels in a food chain.
  4. 5. - A community of living organisms interacting with their environment.
  5. 6. Web - A system of interdependent food chains within an ecosystem.
  6. 12. - A toxin found in reef fish, dangerous when consumed by humans.
  7. 13. - Active at night to avoid daytime heat.
  8. 14. - A plant that grows in rainforests, providing habitats for certain animals.