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by: Danielle McCarthy

Review PBIO 1030

Danielle McCarthy
GPA 3.096
Plants and People
Noel Cawley

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About this Document

Test Topics Defined!
Plants and People
Noel Cawley
Study Guide
Plant bio, botany, test
50 ?




Popular in Plants and People

Popular in Biology

This 2 page Study Guide was uploaded by Danielle McCarthy on Tuesday September 29, 2015. The Study Guide belongs to PBIO 1030 at Ohio University taught by Noel Cawley in Fall 2015. Since its upload, it has received 660 views. For similar materials see Plants and People in Biology at Ohio University.


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Date Created: 09/29/15
Evolution we started with cyanobacteria they were prokaryotic organisms and did photosynthesiscreated atmosphere started with algae basically and moving to land was very hard plants have to be able to sustain themselves water is easier to live in Key Stone Species has a dis proportionally large effect on its environment relative to its abundance an ecosystem may collapse without the keystone species even though they are a small part of the ecosystem measured by biomass or productivity TopDown Control Predator eats prey prey numbers are low Predator is removed from ecosystem and prey is in abundance BottomUp Control the bottom of the food chain plants phytoplankton etc control the ecosystem structure Primary Succession The process of creating life in an area where no life existed before Secondary Succession The process of restabilizing an area after a disturbance in an ecosystem the natural and gradual changes to species in any speci c ecosystem They can be either primary or secondary Pioneer Species soil building species Able to start growing in a place that doesn39t have any soil Primary Producers These organisms produce biomass from inorganic compounds autotrophs in almost all cases they are photosynthetic organisms Impact of Herbivores the saliva of moose on plants encourages growth led to signi cantly more branches Biodiversity the variety of all life forms on earth Genetic Diversity The total number of genetic characteristics in the genetic makeup of a species Species Diversity a measure of the diversity within an ecological community that incorporates both species richness and evenness of species abundance Ecosystem Diversity a variety of ecosystems in any given place Ecosystem Services any positive bene t that ecosystems provide to the general population American Chestnut Chestnut Blight Fungus has been killing millions of American Chestnut trees the fungus was introduced by Japanese or Chinese chestnut trees 7 moth species that ate chestnut leaves have gone extinct Primary Productivity the rate at which an ecosystems producers convert solar energy into the chemical energy stored in biomass Biotic Components producers herbivores carnivores omnivores detrivores decomposers fungi bacteria Abiotic Components sunlight temperature precipitation watermoisture soils space Shifting Baselines there39s a good thing on the vertical axis and time on the horizontal axis The curve shows the change which always is getting lower and is a negative slope because of nature of people do something Components of Ecosystems There are biotic and abiotic parts to the ecosystem Dif culties of surviving different ecosystems competition exploitation interferance Plant Adaptions genetic diversity makes adaptation possible Loss of Biodiversity habitat destruction invasive species over exploitation poHu on


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