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chapter 16 vcab

QuestionAnswer
study of interactions of living organisms ecology
particular population of a species habitat
different species that live togethor in a habitat community
consists of an communtiy ecosystem
physical aspects of a habitat abiotic factors
organisms in an habitat biotic factor
the communitys and ecosystems at which they occur biodiversity
fast growing plants pioneer species
regular progression of species replacement succession
where life has not existed before primary succession
abandon fields or forest clearings secondary succession
organic material is produced by photosynthetic organisms in an ecosystem primary productivity
make enrgy- storing molecules producers
those organism that consume plants or other organisms to obtain the energy neccessary to build there molecules consumers
ecologists study how how energy moves through an ecosystem by assigning organisms in that ecosystem to specific levels trophic levels
path of energy through the trophic levels of an ecosystem food chain
second trophic levels herbivores
3rd trophic level are secondary consumers, animals that eat other animals carnivores
both herbivores and carnivores omnivores
organisms that obtain there energy from the organic waste detritivores
bacteria and fungi and because they decay decomposers
inter connected group of food chains food web
each trophic level is represented by a block energy pyramid
dry,weight of tissue biomass
pathway forms when a substance enters living organisms biogeochemical cycle
water retained beneath the surface or the earth ground water
water moves into the atmosphere by evaporating transpiration
the process of combining nitrogen with hydrogen to form ammonia nitrogen fixation
Created by: brittanyallison
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