The upcoming discussion will update you about the difference between protochordates and higher chordates. Difference # Protochordates: 1. Notochord persists throughout life. 2. No cranium or vertebral column. 3. Atrium, the space in between pharynx and body wall, is present. 4. Endostyle is present except hemichordates. It is the precursor of thyroid gland of higher […]
Difference between Protochordates and Higher Chordates
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