The Most Ancient Branch Point in Animal Phylogeny Is That

question 29

Multiple Choice

The most ancient branch point in animal phylogeny is that between having

• A)radial and bilateral symmetry.
• B)a well-defined head and no head.
• C)true tissues and no tissues.
• D)a body cavity and no body cavity.

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Definitions:

Grasp

The ability to seize, hold, or grip something with one's hand or hands.

Hold

To maintain possession, control, or position of something, often implying a degree of steadiness or resistance.

Grabs Objects

This refers to the action of seizing or clasping objects, typically seen as a developmental milestone in infants as they learn to interact with their environment.

Months Old

A measure of age, typically used to describe the early life stages of babies and toddlers.