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USU 1350
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Biodiversity
all of plants and animals in area (species richness)
consider interactions
scale is important
Levels of biodiversity
genetic
species
ecosystem
Reasons to Maintain Biodiversity
ethical/aesthetic
economic
ecological
ethical/aesthetic
human moral obligation
part of system
lack of understanding
economic
domestic stock from wild
plants and animals
meds
food
natural products - wood
ecological interactions
oxygen cycle
nitrogen cycle
hydrologic cycle
pollination
soil formation
decomposers
genetic diversity
amount of genetic variation between individuals in same species
most fundamental
limited gd
: extinction
Species Diversity
fundamental biological groups of distinct organisms on earth
same species-share gene pool
genera
two or more similar types of species
vertebrates
animals with backbone
Bryophytes
mosses, liverworts, and hornworts
Gymnosperms
naked seed plants
angiosperm
flowering plants
fungi
mushroom, lichen
Endemism
species found nowhere else
Ecosystem Diversity
the different kinds of ecological complexes made up of species
why should we maintain bio diversity
moral obligations
enjoyment for diversity
provides humanity with many direct benefits with potential for more
need of wide range of services provided by biodiversity
Author
Anonymous
ID
25345
Card Set
USU 1350
Description
Unit 3
Updated
2010-07-01T05:35:12Z
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