Reptiles become successful terrestrial vertebrates mainly due to the evolution of:
Correct answer: A. Amniotic eggs
- A. Amniotic eggs
- B. Moveable eyelids
- C. Joined jaw bones
- D. Three chambered heart
Explanation
Amniotic eggs that can withstand dessication allowed reptiles to reproduce on land and lead to successful inhabitation of land. Option A is correct.
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About Kingdom Animalia
Animals are multicellular, heterotrophic eukaryotes whose cells lack cell walls and chloroplasts, with specialised tissues in most groups. Coverage includes body symmetry, tissue layers, coelom, segmentation and levels of organisation, plus major phyla such as Porifera, Cnidaria, Platyhelminthes, Annelida, Arthropoda, Mollusca and Chordata.
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