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Ecology test 2018

Preparation for ecology unit test 2018

Biosphere all the land, water, air and organisms on Eath
Evergreen trees in a forest Biotic factor
Desert Biome with least amount of precipitation
Mutualism Ants that protect a tree on which they feed
Population distribution Pattern of spacing between individual of a population
Unequal heating of Earth's surface Affect Earth's climate regions, causes winds, drive ocean currents
Non-native species Disturb ecosystem because they compete for resources
Microclimate Climate conditions in a small area that differ from surrounding climate
Mutualism Interaction where both species benefit
Photic zone layer of an aquatic ecosystem where light is available for photosynthesis
Population example All red foxes in a forest
Warm air rising, cool air sinking causes global wind patterns
Energy transfers in a food web are shown as Arrow from species being eaten to the species eating
This can affect climate in a small area Natural features such as alake
Stiltgrass in Pennsylvania non-native plant species; reduces native plant populations
What is the next largest ecological level in this list: organism-population-community Ecosystem
Limiting factor controls growth and population size
Example of density-dependent limiting factor disease that kills bats in a cave
Climate produces wide range of environmental conditions
Trophic level term for step in energy transfer and matter in a food web
Pyramid of biomass shows amount of living tissue at each trophic level
Bacteria converting nitrogen gas into ammonia nitrogen fixation
movement of water from Earth's surface to atmosphere and back water cycle
Chemicals being used again and again Means matter is recycled through the biosphere
Value of biodiversity provides foods, medicines and is a natural resource
Decomposers get nutrients buy breaking down wastes and dead organisms
Food web interconnected feeding relationships in a an ecosystem
Ozone depletion caused by release of CFCs (chlorofluorocarbons)
A seal population is not likely to be limited by, what? a drought
Example of density-independent limiting factor fire
Created by: ccarlough



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