Biology

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Across
  1. 3. A type of symbiosis where one species benefits while the other is neither helped nor harmed.
  2. 6. Living components that affect the ecosystem, such as plants, animals, and microorganisms.
  3. 8. The natural environment in which an organism lives.
  4. 10. A close and long-term interaction between two different species.
  5. 11. A community of living organisms and their physical environment interacting as a system.
  6. 13. The concept that two species competing for the same resources cannot coexist at constant population values.
  7. 14. The global sum of all ecosystems; the zone of life on Earth.
  8. 16. A type of symbiosis where both species benefit from the interaction.
  9. 17. The study of interactions between organisms and their environment.
  10. 19. The position an organism occupies in a food chain.
  11. 21. Non-living components that affect the ecosystem, such as climate, soil, and water.
  12. 24. The role or function of an organism or species within an ecosystem.
  13. 25. Organisms that feed on dead organic matter.
  14. 26. Organisms that eat both plants and animals.
Down
  1. 1. Organisms that primarily eat other animals.
  2. 2. A type of symbiosis where one organism benefits at the expense of another.
  3. 4. Organisms that cannot produce their own food and must consume other organisms.
  4. 5. A large geographic biotic unit, a major community of plants and animals with similar life forms and environmental conditions.
  5. 7. All the different populations that live together in a defined area.
  6. 9. Organisms that produce their own food through photosynthesis or chemosynthesis.
  7. 12. The total mass of living matter in a given area or region
  8. 15. A graphical representation showing the relationship between different organisms in an ecosystem, often depicting energy or biomass.
  9. 18. An interaction where one organism (the predator) hunts and eats another organism (the prey).
  10. 20. A linear sequence of organisms through which nutrients and energy pass as one organism eats another.
  11. 22. A group of individuals of the same species living in a specific area.
  12. 23. Organisms that primarily eat plants.
  13. 25. Organisms that break down dead material and recycle nutrients back into the ecosystem.