Question

which tissue forms the epidermis of tetrapods​

Answer 1

Explanation:

he transition from lobe-finned aquatic sarcopterygians to limb and digit-bearing stem tetrapods (tetrapodomorphs; Ahlberg, 1991) took place during the late Devonian. Coinciding with the acquisition of features permitting an increasingly terrestrial existence, the integumentary skeleton of tetrapodomorphs underwent a number of important changes. As in other basal sarcopterygians, the integument of the oldest and most basal forms was jacketed by numerous thick cosmoid scales (e.g. Kenichthys campbelli, Gogonasus andrewsae and Osteolepisspp.; Ørvig, 1957; Jarvik, 1980; Zhu & Ahlberg, 2004; Long et al. 2006). Among more deeply nested (and recently derived) tetrapodan taxa (e.g. Eusthenopteron foordi, Panderichthys rhombolepis, Tiktaalik rosea and Ichthyostega stensioei), the odontogenic-derived tissues (dentine, enameloid, and ganoine) and pore-canal systems were lost, resulting in an integumentary skeletal elements composed primarily of bone

Answer 2

Answer:

Terrestrial Vertebrate Corneous Tissue

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