Question

What is the lowest level of organization of the starfish

Answer 1

Answer:

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Answer 2

Answer:

Lowest level of organization of starfish is tissue level of organ system.

Explanation:

• Star shaped in appearance, spherical or rectangular. they're strictly sea creatures.
• Creatures have spiny skin.
• Indicates the tissue level of the organ system. Most members have circulatory and digestive systems.
• they're trigermous and have a coelom.
• cardiovascular system open.
• They breathe through the gills or respiratory tree of the cloaca.
• it's a simple radial nervous system and no excretory system.
• The torso isn't segmented and has no distinct head.
• The mouth is ventral and therefore the anus is dorsal.
• Tubular legs support movement.
• Reproduces sexually by gamete fusion and asexually by reproduction.
• Fertilization takes place outside the body. Development is indirect.
• Has the facility of regeneration.
• they need poorly developed sensory organs.
• These include chemoreceptors, touch organs, terminal tentacles, etc.

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