Question

What are cephalochordates?? Write about their features. Write in poibts. One with mirw points will get brainlist

See now answer in points of you want brainlist

Answer 1

Answer:

Small, fishlike marine invertebrates, they probably are the closest living relatives of the vertebrates. Cephalochordates and vertebrates have a hollow, dorsal nerve cord, pharyngeal gill slits, and a notochord.

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Answer 2

Cephalochordates:

• Found in shallow sea water

• Have unpaired fins

• As their name suggests, they are chordates

• Notocord is present from head to tail.

• Nervous system is dorsal, tubular and hollow

• Pharyngeal gill slits are present

• Post Anal tail is present

• Closed vascular system is present.

• Heart is absent

• They have protonephridia for excretion

• They have indirect development

• Fertilìsation is external

Ex:- Branchiostoma