Biology vocab
Across
- 1. zone photosynthesis can't occur
- 3. an interaction in which one animal captures and feeds on another animal
- 5. interaction which one animal feeds on producers
- 8. succession more or less predictable changes that occur in a community
- 12. tall trees form a dense, leafy covering
- 14. describes not only what an organism does but how it interacts with biotic and abiotic in the enviro nt
- 15. environmental conditions can vary over small distances
- 17. an ecosystem in which water either covers soil or is present at or near the surface
- 18. a special kind of wetland, formed where a river meets the sea
- 19. dense forests of coniferous evergreens along the northern edge of the temperature zone
- 22. succession disturbance affects the community without completely destroying it
- 23. place where an organism lives
- 24. a plant that sheds its leaves during a particular season
- 25. can refer to any necessity of life. Water, nutrients, light, and food
- 26. any relationship which 2 species live closely together
- 27. trees, or conifers, produce seed- bearing canes, and the most have leaves shaped like needles, which are coated in a waxy substance that helps reduce water loss
- 28. habitat is the benthic zone
- 29. relationship between species in which both benefit
Down
- 2. a layer of permanently frozen subsoil
- 3. zone sunlight region near the surface in which photosynthesis occurs
- 4. day-to-day conditions of Earth's atmosphere
- 6. species changes in the population
- 7. includes both phytoplankton and cooplankton
- 9. material formed from decaying leaves and other organic matter
- 10. average conditions over long periods
- 11. species first species to colonize barren areas
- 12. one organism benefits and the other isn't helped or harmed
- 13. succession succession that begins in an area with no remnants of an older community
- 16. organism lives inside or on another organism and harms it
- 20. effect allowing visible light to enter but trapping heat of environmental circumstances
- 21. shorter trees and vines form a layer
- 27. exclusion principle states that no 2 species can occupy exactly the same niche in exactly the same habitat at exactly same time