Biodiversity and Extinction: Match the ConceptsVersion en ligne Match each item to the corresponding biodiversity concept group. par Gunner Scott 1 Threats to biodiversity 2 Conservation status & terms 3 Species examples and causes 4 Conservation actions & institutions 5 Rates, timing & mass extinctions 6 Habitats, services & conservation context Habitat loss Habitat degradation Habitat fragmentation Invasive species Pollution Endangered species Threatened species Convention on International Trade in Endangered Species (CITES) Biomagnification Refuge system Blue whale — low reproductive rate Panda — specialized niche Eagle — feeds at high trophic levels Dinosaurs extinction — asteroid impact 65 million years ago Eggshell thinning due to biomagnification effects USFWS reports 42% endangered due to invasive species CITES regulates sale of live specimens Botanical gardens contain living plants representing ~1/3 of known species Captive breeding programs require minimum 100–500 individuals Refuge lands allow activities like mining and oil drilling Annual extinction rate at least 1,000 times the natural background rate Between 25–50% of identified species may go extinct in the 6th mass extinction The 6th mass extinction Industrial Revolution-associated rise in extinction rates Dinosaurs disappeared 65 million years ago (asteroid impact) Loss of habitat in tropical rainforests is the greatest threat Ecosystem services provided by wild species Overexploitation: overharvesting and illegal pet trade 1,800 botanical gardens host living plants Global threat reduction depends on habitat protection and sustainable use
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