Unique Features of Extinct and Living Species

The video explores seven species once thought extinct but later rediscovered, including the coelacanth, Laotian Rock Rat, monoplacophorans, Neptune’s Cup Sponge, Mallorcan Midwife Toad, Lord Howe Island Stick Insect, and Ecuadorian Horned Anole. Each species' unique rediscovery story highlights the importance of conservation and understanding Earth's biodiversity.

What percentage of species that have ever existed are now extinct?

• 25%

• 99%

• 75%

• 50%

Where was the coelacanth first discovered alive in the 20th century?

• In the Great Barrier Reef

• In the Amazon River

• Off the coast of South Africa

• Near Indonesia

What unique feature does the coelacanth have that is not found in other living vertebrates?

• Bioluminescent scales

• A prehensile tail

• A hinge inside their skull

• A second set of gills

Where was the Laotian Rock Rat first identified?

• On a mountain in Thailand

• In a forest in Laos

• In a cave in Vietnam

• At a Laotian meat market

What is a distinctive feature of monoplacophorans?

• They have a segmented body

• They have a cap-like shell with one plate

• They have a spiral shell

• They are bioluminescent

What was the Neptune's Cup Sponge used for in the past?

• As a water filter

• As a fishing net

• As a bathtub for babies

• As a musical instrument

How do male Mallorcan Midwife Toads care for their eggs?

• They wrap them around their hind legs

• They carry them on their backs

• They bury them in the sand

• They leave them in water

What is the main threat to the Lord Howe Island Stick Insect's survival?

• Deforestation

• Predatory birds

• Climate change

• Black rats

What unique feature does the Ecuadorian Horned Anole have?

• Webbed feet

• Brightly colored scales

• A long tail

• A horn-like proboscis

Why are Ecuadorian Horned Anoles difficult to study during the day?

• They are camouflaged

• They are nocturnal

• They are very fast

• They live underground