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When did saltwater crocodiles evolve?
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Around 25 million years ago.
What are the main characteristics of sea snakes and sea kraits in terms of their venom and tails?
Venomous with neurotoxins in their venom; caudal fin-like tails for swimming.
What is the reproductive behavior of saltwater crocodiles?
They lay eggs and actively guard their nests.
What is the size range for male saltwater crocodiles?
Up to 20 feet long.
How do marine iguanas warm up after being in cold ocean water?
By basking on land due to their ectothermic nature.
What family do sea snakes and sea kraits belong to?
Elapidae
In what regions can saltwater crocodiles be found?
Australia, Southeast Asia, eastern coast of India.
Name three endangered sea turtle species.
Green sea turtle, Kemp's Ridley, Hawksbill.
What is a unique behavior of sea turtles related to their nesting sites?
They are faithful to their nesting site and use magnetic fields to navigate back.
How do researchers study the migration and habits of sea turtles?
By using tracking devices.
What is the main diet of sea snakes and sea kraits?
Mainly small fish.
Why do sea snakes and sea kraits need to surface to breathe?
Because they are air-breathing reptiles.
Where are saltwater crocodiles primarily found?
In Australia, parts of Southeast Asia, and the eastern coast of India.
Where are the marine forms of sea snakes and sea kraits found?
In the Pacific and Indian Oceans.
How do young sea turtles rush to the sea after hatching?
Facing high predation rates.
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