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aleksley [76]
2 years ago
15

What do echinoderms and chordates have in common? endoskeletons protostome development ecdysis dorsal nerve cords

Biology
1 answer:
notsponge [240]2 years ago
8 0

The correct option is (A) Endoskeleton.

Endoskeleton is common between Echinoderms and chordata class.

<h3>What are the characterstics of Echinoderms?</h3>
  • They resemble stars and can be elongated or spherical. They only have spiky skin since they are aquatic organisms.
  • They exhibit organ system level organization and an open circulatory and digestive system. They have three lobes.
  • Their gills or the cloacal respiratory tree are how they breathe.
  • They have a simple radial nerve system and no excretory system. The body is unsegmented, with no discernible head.
  • Both asexual and sexual gametic fusion and regeneration occur during their sexual reproduction.
  • During indirect development, external fertilization takes place.
  • They are capable of regeneration.
  • Their sensory systems are not fully formed. Some of these include chemoreceptors, tactile organs, terminal tentacles, etc.

Learn more about the Echinoderms with the help of the given link:

brainly.com/question/6472932

#SPJ4

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