Mylokkunmingia Fengjiao,a Fossil from the Cambrian

question 18

Multiple Choice

Mylokkunmingia fengjiao,a fossil from the Cambrian

• A)is considered the first chordate to have a head.
• B)lacked vertebrae.
• C)lacked ear and eye capsules.
• D)resembled a hagfish.
• E)A and B.

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Definitions:

Determinant

A factor or element that decisively affects the nature or outcome of something.

Behaviour

The actions or reactions of a person or animal in response to external or internal stimuli.

Martin Seligman

An American psychologist, educator, and author of the theory of "Learned Helplessness" and a founder of Positive Psychology.

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The study of diseases, their causes, processes, development, and consequences.