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chapter 17 vocab bio
Vocabulary
Word | Definition |
---|---|
Coevolution | Back and forth evolutinary adjustments between interacting members of a community |
Predation | Act of one organism killing for food |
Secondasry compounds | Virtually all plants contain defensive chemicals |
Symbiosis | Two or more species living together I'm a close long term association |
Commensalism | Third form of symbiosis, symbiotic relationship in which one species benefits and the other is neither harmed nor helped |
Mutialism | Symbiotic relationship in which both participating species benefit |
Competition | When two species use the same resource they they participate in a biological interaction |
Niche | Function role of a particular species in a ecosystem; the "job" it performs within the ecosystem |
Fundamental niche | Entire range Of resource opportunities an organism is potentially able to occupy within an ecosystem |
Realized niche | Part of its fundamental inch that a species occupies |
Biodiversity | The variety of living organisms present in a community |
Climate | Prevailing weather conditions in an given area |
Biome | Major biological community that occurs over a large area of land |
Littoral zone | Shallow zone near the shore |
Limmnetic zone | Area that is father away from shore but close to surface |
Profound zone | Deep water zone that is below the limits of effective light penetration |
Plankton | Composed of bacteria ,algae , fish larva, and many small in vertebrate animals |
Benthetic zone | Lowest level of water ecosystem |