INTEGBI 175LF Lecture 3: Salamander Families
26 Jan 2018
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Reproductive modes : generalized : aquatic eggs larvae terrestrial adults aquatic. 72 sp . could be infected by fungi wlout oviduct retention of dev embryos ( s. Larvae : more like adults than am anima tadpoles - forelimbs rather than 2 in frogs limbs appear early carnivorous no algae feeders competition btw larvae " adults eco morphs : morphologies corr. Wl lire his . strategies slow - moving. Hzo : smaller less gills , prominent fins. , depressed body calloused toes for gripping bottom. Skin thickens as dermal glands develop additional still elements develop ( ie . maxillae ) Hetero chrony : des in developmental timing , phenotype selection. As paedom orphic retain juv . characteristics heoteny. Somatic dev ends early , not paedogenie (gonadal der . not accel ) can cause paedomorphosis tend to retain gills , lateral line system, lack tongue. Kk thus , look similar to 4 when not related.
