Unit 6 NRE
Across
- 4. Any group or association of plants; the sum of vegetable life; plants in general.
- 5. sources via photosynthesis (i.e., involving light energy) or chemosynthesis (i.e., involving chemical
- 7. A biologist who studies the relationship between organisms and their environment.
- 8. succession The progressive development of vegetation toward its ultimate plant community, the
- 12. as a sand bar in a river.
- 13. A type of succession resulting from changes the biotic community makes in the environment. The
- 18. to describe the apparent vertical structure, and in each stratum, each plant is assigned a cover value
- 19. seeds are already present in soil.Species – Groups of organisms with similar characteristics. Organisms that together can reproduce similar
- 23. much more rapidly than primary succession because soil does not need to be created, and nutrients
- 25. The process or a period of changing from one state or condition to another.
- 26. The degree of variation of life forms within a given species, ecosystem, biome, or an entire
- 27. leading to different plant communities are examples.
- 28. environment due to abiotic factors, e.g., flooding or fire.
- 29. Each species of plant or animal is identified by its genus and species name, e.g., the generic name
- 32. The sum total of all the external conditions that may act upon an organism or community to
Down
- 1. of soil by colonizing plants provides opportunities for different plant species, or the grazing of
- 2. its development or existence.
- 3. community An assemblage of plants living together under the same environmental conditions.
- 6. A type of succession in which a plant community is replaced by another because of a change in
- 9. The progressive development of vegetation toward its ultimate community, the climax. The
- 10. of one plant community by another.
- 11. and other abiotic features in the plot. Typically, the vegetation is stratified into height categories
- 14. area.
- 15. succession Plant migration on newly formed soils or upon soils that have never borne vegetation,
- 16. succession Invasion by plants on land that was previously vegetated. Secondary succession
- 17. To sort individuals together into groups having common characteristics or attributes.
- 19. Of or relating to an autotroph, an organism capable of making nutritive organic molecules from
- 20. on its representation in that stratum.
- 21. A vegetative or flora sample for determining the plant community and dominant plant species within a
- 22. The replacement of one plant community by another.
- 23. corn is Zea, and the species name is mays.
- 24. An event or force of nonbiological or biological origin that brings about mortality to organisms
- 30. A list of the plants in a delimited plot of vegetation, with information on species cover and on
- 31. changes in their spatial patterning in the ecosystems they inhabit.