SCIENCE
ZOOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -Hint: Hydra can be found in a range of freshwater environments. They occur mainly in wetlands, streams and slow-flowing river systems.
Detailed explanation-2: -Hydras occur in freshwater, either in flowing or standing waters. They tolerate a wide range of conditions from depths up to 350 metres in lakes, or in shallow, fast-flowing streams. They attach themselves to solid surfaces such as stones, twigs, or vegetation. They do not occur on soft surfaces.
Detailed explanation-3: -Hydra are freshwater, radially symmetrical animals under the phylum Cnidaria. They are diploblastic animals and show tissue level of body organisation. Hydra exhibits a body form called a polyp. It is a cylindrical and sessile form.
Detailed explanation-4: -Hydra can be found in freshwater streams, ponds, and lakes in both temperate and tropical regions.
Detailed explanation-5: -A genus of tiny, freshwater animals belonging to the phylum Cnidaria and class Hydrozoa is called Hydra.