Which Animal Phylum Lacks a Network of Nerve Cells for Gathering

question 70

Multiple Choice

Which animal phylum lacks a network of nerve cells for gathering information from the environment?

• A)Porifera - sponges
• B)Cnidaria - jellyfish, sea anenomes
• C)Platyhelminthes -- flatworms
• D)Nematoda - roundworms

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Definitions:

Nonmaterial Social Facts

Elements of society that exist beyond the physical, including norms, values, laws, and social roles that shape the behavior of individuals in a society.

Material Realm

The material realm refers to the physical world and everything in it, including nature, objects, and human-made items, as opposed to the conceptual or virtual spheres.

Collective Representations

Shared beliefs, values, and meanings that are created by and exist independently of individual members of a society.

Rituals

Prescribed sequences of activities or ceremonies, often with symbolic meanings, that are practiced by a community or religious group.