The Common Ancestor of All Animals Is Likely to Have

question 16

Multiple Choice

The common ancestor of all animals is likely to have been a ________.

• A)colonial, flagellated protist
• B)colonial, ciliated protist
• C)colonial, flagellated bacterium
• D)colonial, ciliated bacterium

---

Definitions:

Cry Signal

A vocal expression of discomfort or need, primarily used by infants to communicate with their caregivers.

Basic Domains of Language

Fundamental aspects of linguistic communication including phonology, morphology, syntax, semantics, and pragmatics.

Cognitive Approaches

Psychological frameworks that emphasize the importance of mental processes in understanding behavior, including learning, memory, problem solving, and decision making.

Language Acquisition

The process by which humans gain the ability to perceive, produce, and use words to understand and communicate.