BIO 220 Exam 3 GCU Questions and Correct Answers | Latest Update
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Course
Bio
Institution
Bio
genetic diversity
measures variety of different versions of same genes within a species
species diversity
measures number of different kinds of organisms within a community
ecological diversity
measures richness and complexity of a community
fragmentation/cloning
aspens, less...
Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ 2025
BIO 220 Exam 3 GCU Questions and
Correct Answers | Latest Update
genetic diversity
measures variety of different versions of same genes within a species
species diversity
measures number of different kinds of organisms within a community
ecological diversity
measures richness and complexity of a community
fragmentation/cloning
aspens, less genetic diversity
species richness
total number of species in a community
species evenness
relative abundance of individuals within each species
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, Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ 2025
reproductive isolation
organisms that breed in nature and produce fertile offspring
phylogenetic species concept
emphasizes the branches on a taxonomic tree (cladistic relationships)
evolutionary species concept
defines species in terms of evolution and historic terms
DNA sequencing and other molecular techniques
give insight into taxonomic and evolutionary relationships
biodiversity hotspots
tropical rainforests and coral reefs
Benefits of biodiversity in food
wild plants could provide new sources of food or more genetic diversity
for existing crops
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, Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ 2025
benefits for drugs and medicine
more than half of all modern medicines contain some natural product from
a wild species
pharmaceutical companies
actively prospect tropical countries for products
Biopiracy
Resources often extracted without compensation
sharing profits
provides an incentive to preserve native species
ecological benefits
Soil formation, waste disposal, air and water purification, nutrient cycling,
solar energy absorption, and biogeochemical and hydrological cycles all
depend on biodiversity. We do not fully understand biological
communities. Loss of a seemingly insign ificant species can be damaging
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