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Science-biodiversity
study guide on biodiversity
Question | Answer |
---|---|
biodiversity | Number of different species in and area:has area, climate, and diversity of niches for affects |
keystone species | influences the survival of many other species |
genes | the structures in an organisms cell that carry away hereditary information |
extinction | disappearance from Earth of all members of a species |
endangered species | species in danger of becoming extinct in the future |
threatened species | species becoming endangered in near futures (earthquakes) |
habitat fragmentation | breaking larger habitats into smaller,isolated pieces |
poaching | illegal killing or removal of wildlife species |
captive breeding | mating of animals in zoos, or wildlife preserves |
What factors affect in an areas biodiversity? | Factors that affect an areas biodiversity is climate, and diversity of niches |
Witch human activities threaten biodiversity? | Some human activities that threaten biodiversity is destruction, poaching,pollution,and introduction of exotic species |
How can biodiversity be protected? | It can be protected by combine scientific and legal approaches |
What three factors affect biodiversity of an ecosystem? | Three factors is by climate, area, and diversity of niches |
What is one reason coral reefs are such diverse ecosystems? | One reason is by the niches for organisms |
How does having a diverse gene pool help species survive? | Gene pools help by avoiding diseases, parasites, and surviving disturbance |
Name and describe three ways to protect the worlds biodiversity | Three way to protect is legal approaches, combine scientific, and captive breeding |