
IUCN Categories & Criterias
Authored by NUR ABDULLAH
Biology
University

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5 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Species Name: Forest Frog (Hypothetica silvatica)
Habitat: Tropical rainforests
Population Trend: Declining
Geographic Range:
EOO: 1,000 km²
AOO: 50 km²
Threats:Habitat loss due to logging
Water pollution from agricultural runoff
Notes:Population size estimated at 500 mature individuals.
Restricted to fragmented forest patches.
EN
VU
CR
EX
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Species Name: Sandbloom Cactus (Floribundus aridus)
Habitat: Arid deserts
Population Trend: Stable
Geographic Range:
EOO: 250 km²
AOO: 20 km²
Threats:Illegal collection for ornamental trade
Limited rainfall due to climate change
Notes:Population size: 1,200 mature individuals.
Found in only 5 known locations.
VU
CR
LC
EN
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Species: Savannah Wildflower (Euphorbia savannae)
Population trend: Stable.
Geographic range: EOO = 20,000 km²; AOO = 2500 km².
Threats: Encroachment by invasive plant species.
Number of mature individuals: 20,000.
Population trend: Stable.
Geographic range: EOO = 20,000 km²; AOO = 2500 km².
Threats: Encroachment by invasive plant species.
Number of mature individuals: 20,000.
EN
CR
LC
VU
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Arctic Sea Star (Astropecten glacialis)
Population trend: Declining by 20% over the past decade.
Geographic range: EOO = 30,000 km²; AOO = 5,000 km².
Threats: Ocean warming, pollution.
Number of locations: 15.
Population trend: Declining by 20% over the past decade.
Geographic range: EOO = 30,000 km²; AOO = 5,000 km².
Threats: Ocean warming, pollution.
Number of locations: 15.
CR
NT
LC
VU
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wetland Reed Snake (Natrix palustris)
Population trend: Declining by 70% in the last 3 generations.
Geographic range: EOO = 2,800 km²; AOO = 400 km².
Threats: Draining of wetlands, road construction.
Number of mature individuals: Fewer than 500.
Population trend: Declining by 70% in the last 3 generations.
Geographic range: EOO = 2,800 km²; AOO = 400 km².
Threats: Draining of wetlands, road construction.
Number of mature individuals: Fewer than 500.
VU
EN
CR
LC
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