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Katen [24]
2 years ago
15

Difference between starfish and hydra​

Biology
2 answers:
tangare [24]2 years ago
6 0

Answer:

A Starfish is Triploblastic meaning they consist of three germ layers. Hydra are diploblastic meaning they consist of only 2 germ layers.

Ilia_Sergeevich [38]2 years ago
4 0

Answer:

Explanation: Hydra live in freshwater habitats, whereas Obelia is exclusively marine. Hydra does not have medusa form in their life cycle, whereas Obelia has both forms; polyp and medusa. starfish," are not fish.

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Answer:

Grade II

Explanation:

  • When there is either a partial or complete tearing on ligaments that are responsible for supporting the joint of the ankle then it causes an ankle sprain.
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  • In the given situation the 14-year-old girl has a grade II ankle sprain which is characterized by an incomplete tear of the ligaments along with moderate pain (as she rates it 5/10), moderate tenderness, loss of range of some functions, and swelling.
  • All of the characteristics of the sprain resemble those of the grade II ankle sprain tear and hence, it is characterized as a grade II ankle sprain.
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Answer:

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