ldentification of hydra
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Answer:
Three major criteria are used: (I) presence or absence of symbiotic algae, (2) arrangement of tentacles on buds, and ( 3) shape of the holotrichous isorhiza nematocyst. Hydra systematics are in an unsettled state.
Answer:
where is hydra diagrams please attach files...
Measuring just millimeters, the hydra is made up of a tube-like body, half-a-dozen tentacles on top and a sticky foot to hold it in place. Typically, hydras are a brown, green or off-white in color – although you might need a magnifying glass to tell.
This group of organisms has the following characteristics: they are aquatic, they have tentacles, they have a single body opening they have two body layers and are, for the most part, radially/biradially symmetrical.
Three major criteria are used: (I) presence or absence of symbiotic algae, (2) arrangement of tentacles on buds, and ( 3) shape of the holotrichous isorhiza nematocyst. INTRODUCTION. Hydra systematics are in an unsettled state.
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