In which era manimals dominated?
Correct answer: C. Cenozoic
- A. Paleozoic
- B. Mesozoic
- C. Cenozoic
- D. Proterozoic
Explanation
Option C is correct. Mammals dominated the planet during the Cenozoic Era, which began about 66 million years ago. This era is also known as the Age of Mammals. It is characterized by the rise of mammals and the extinction of the dinosaurs. The Cenozoic Era is divided into three periods: the Paleogene, the Neogene, and the Quaternary.
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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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