
Starfish
Some 2,000 sea star species live throughout the world’s oceans. Some weigh as much as 11 pounds (5 kilograms) and stretch more than 2 feet (65 centimeters) across, but others are only half an inch (1 centimeter) in diameter. These animals reproduce prolifically, and some sea stars can release millions of eggs into the water for fertilization at the same time.
(source:google/http://ocean.nationalgeographic.com/)
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