Gap Fill - Level 2


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For the first , scientists know the to one of the world's most recognizable but understood fish – the seahorse. Researchers worked out the genome of the tiger tail seahorse. A genome is a of all the genes and genetic information in a thing. Scientists can now find out a lot about seahorses. They can find out why seahorses are so to other fish. Seahorses have no teeth. Male seahorses carry babies and give to them of females. Also, seahorses do not swim horizontally like other fish; they swim (up and down).

Seahorses started to change about 100 million years . They began to not look like other fish and get their unusual . They began to look like the neck and of a horse. There are 54 different of seahorse. The name for a seahorse is Hippocampus. This word comes from the Ancient Greek hippos, which means 'horse' and kampos, means 'sea monster'. Perhaps should call them seahorse monsters. The word 'seahorse' can also be written as two words (sea horse), or with a (sea-horse).

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