Answer:
I don't understand the question
has tremendous biodiversity and high rates of endemic species: of more than 200,000 known species found on Madagascar, more than 80 percent exist nowhere else. Unique to the island are over 100 kinds of lemurs, over 300 species of frogs, and 33 species of tenrecs, miniature hedgehog-like animals. However, it is one of the most threatened ecosystems on the planet.
No, this is because the brain of the fish tries to filter out vision obstacles such as your own nose.
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A controlled experiment is a type of experiment where we're testing one hypothesis in duplicate and we have only one different factor. This indeed is true. An example of an uncontrolled experiment would be where we would have many different types of variables which would possibly affect the result of our experiment for example.
