Because of Age Estimates of the Tiktaalik Fossil Species,at Approximately

question 55

Multiple Choice

Because of age estimates of the Tiktaalik fossil species,at approximately 380 mya,it lived

• A) at the same time, in the Mesozoic era, as early dinosaurs, mammals, and early conifer trees.
• B) None of these answer options correctly places the geologic time scale context of Tiktaalik.
• C) in the Phanerozoic eon, and the Devonian era, before dinosaurs and mammals appeared.
• D) during the Precambrian, when only primitive species were found in the fossil record.
• E) after the widespread extinction of dinosaurs, marking the expansion of more modern, living species in the Cenozoic era.

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Definitions:

Formed

The past participle of form, indicating something that has been brought into existence or given a specific shape.

Compound Suffix

A suffix consisted of more than one element, used in the creation of complex words, especially in the construction of scientific terminology.

Anti-

A prefix meaning against, opposing, or counteracting, often used in medical and scientific contexts.

Contra-

A prefix meaning against, opposite or contrasting.