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coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. Most coral reefs are built from stony corals, whose polyps cluster in groups.
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that is all I can say.
Answer:
LiquidsEdit
Because the particles can move, liquids don't have a definite shape, and they can flow. Because the particles are still packed close together, liquids can't easily be compressed and keep the same volume.
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Answer:
Biological populations of same species become isolated due to geographic changes such as mountain building or emigration.
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Answer: Please see answer below
Explanation: The type of data marine biologists and charter trips look for in terms of the research being done on sharks include Shark's habitat, feeding, movement, reproduction, anatomy, communication, evolution and social structure but the most common data being sought is the data on Shark attack.
Today, it is easy for researchers to get many data from sharks by tagging the sharks to record data points.The mostly used tags include
Acoustic tag and Satellite tags others include radio tags etc.
Cross-pollination. The key to increasing fruit harvests & growing new flowers.
