hydroskeletonHydroskeleton are form of skeletal structures for part organisms which had a fuild-filled cavity because that support and also framework.

You are watching: Most cnidaria possess a skeletal system known as a .

Exoskeleton

1. Hard part that lies external of the body

2. Establishes from ectoderm

3. Composed largely of tough non-living material referred to as chitin.

Endoskeleton

1. Hard part that lies inside the body

2. Creates from endoderm

3. Composed of living material i.e. Bone tissue


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Astate in the united states wanted part funds because that protecting that wildlife. However, the wildlife conservation and restoration program and also the stste wildlife grants program denied funds to the state for the proposed program. The lack of which setup might be a possible reason for the rejection of funds?

What are the two reasons of thickness in deep current waters? a. Salinity (how much salt) the the water and also high temperaturesb. Salinity (how lot salt) the the water and also low temperatures c. Oxygen content of the water and high temperatures. D. Oxygen contents of the water and low temperatures

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