Explore advanced genetics vocabulary in this hard crossword puzzle designed for kids ages 8-12. Includes challenging terms about DNA, heredity, and variation.
Ecology Ecosystems Crossword Puzzle for ESL Learners is a hard crossword puzzle with 17 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Ecology Ecosystems Crossword Puzzle for ESL Learners
Challenge your advanced ESL biology vocabulary with this hard-level ecology and ecosystems crossword puzzle. Perfect for learners mastering technical ecological terms.
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Across
- 1. Term sometimes used to describe cooperative interaction between species
- 2. Conversion of atmospheric nitrogen into biologically usable forms
- 5. First organisms to colonize barren or disturbed environments
- 7. Process by which plants convert light energy into chemical energy
- 13. Ecological interaction where one organism hunts another
- 16. Interaction where both species benefit from the relationship
Down
- 3. Process where toxins increase in concentration up the food chain
- 4. Maximum population size an environment can sustain
- 6. Excess nutrient enrichment leading to oxygen depletion in water bodies
- 8. The variety of life forms within an ecosystem or the biosphere
- 9. Relationship benefiting one species without harming the other
- 10. Underwater ecosystem formed by large brown seaweeds
- 11. Close interaction between species living together, often mutually beneficial
- 12. Organism that relies on others for organic compounds to survive
- 14. Transition area between two different ecological communities
- 15. Organism that breaks down dead material and recycles nutrients
- 17. Relating to feeding levels in a food chain or web
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