Which of the Following Combinations of Phylum and Description Is

question 69

Multiple Choice

Which of the following combinations of phylum and description is incorrect?

• A) Echinodermata-bilateral symmetry as a larva, coelom present
• B) Nematoda-roundworms, pseudocoelomate
• C) Cnidaria-radial symmetry, polyp and medusa body forms
• D) Platyhelminthes-flatworms, gastrovascular cavity, acoelomate
• E) Porifera-gastrovascular cavity, coelom present

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Definitions:

Acetylcholine

A neurotransmitter in the nervous system that plays a critical role in the function of the brain and muscles.

Neurotransmitter

Chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another target neuron, muscle cell, or gland cell.

Proactive Interference

A phenomenon where older memories interfere with the recall of newer memories.

Retroactive Interference

A phenomenon where newly acquired information interferes with the recall of information learned previously.