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FinnZ [79.3K]
3 years ago
12

Animals with a special rod or notochord are called _____. vertebrates chordates invertebrates

Biology
2 answers:
miss Akunina [59]3 years ago
8 0

Chordates

Explanation:

Chordates have four primary characteristics: postanal tail, notrochord, pharyngeal gill slits, and dorsal-hollow nerve cord. Lancelets is the group of chordates that has a notochord and includes separate males and females.

irinina [24]3 years ago
6 0
Chordates

Chordates have the 4 unique characteristics, postanal tail, notorchord, pharyngeal gill slits and dorsal-hollow nerve cord. Lancelets is the group of chordates that has a notochord and includes separate males and females.

Lancelet exhibits the four basic characteristics of phylum Chordata. It has a dorsal nerve, a notochord, a post annul tail, and pharyngiall gill slit.

Jawless fish, cartilaginous fish, and bony fish have notochord when they were still young but it was replaced by a vertebral column as they mature. 

<span>Lancelets are included in the subphylum cephalochordata. Cephalochordates are gonochoristics. It means that the sexes are separate. Both sperm and eggs cells are released in the water where fertilization occurs.</span>
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