Fossils of Thrinaxodon,a species that lived during the Triassic period,have been found in both South Africa and Antarctica.Thrinaxodon had a reptile-like skeleton and laid eggs,but small depressions on the front of its skull suggest it had whiskers and,therefore,fur.Thrinaxodon may have been warm-blooded.Thrinaxodon shows _____.
A)that fossils found in a given area look like the modern species in that same area
B)that species must adapt to their environment
C)that mammals likely evolved from a reptilian ancestor
D)that Antarctica and South Africa separated after Thrinaxodon went extinct
E)that organisms have stable traits over time

Question

Quizplus · Accepted Answer

Thrinaxodon had a reptile-like skeleton but also had fur and may have been warm-blooded, which suggests a transition between reptiles and mammals.

Fossils of Thrinaxodon,a Species That Lived During the Triassic Period,have