Mark Is Being Held Upright by His Mother, with His

question 171

Multiple Choice

Mark is being held upright by his mother, with his feet touching her lap, when he begins to make stepping motions with his feet. He is demonstrating the _____ reflex.

• A) stepping
• B) sucking
• C) swallowing
• D) moro

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Definitions:

Ancestor

An organism from which others have descended.

Convergent Evolution

The process by which unrelated or distantly related organisms evolve similar body forms, coloration, organs, or adaptations, often due to similar environmental pressures.

Lepidodendron

An extinct genus of tree-like plants from the Carboniferous period, often referred to as "scale trees".

Oak-Yew Clade

A group within the Plantae kingdom that includes both the oak and yew families, representing an evolutionary lineage.