The Unique Feature of Sponge Development in Members of the Class

question 28

Multiple Choice

The unique feature of sponge development in members of the class Calcarea is the amphiblastula which

• A) produces new buds.
• B) generates gemmules.
• C) determines the types of spicules produced.
• D) turns inside out during its development.
• E) controls the process of regeneration.
• The ampiblastula is a developmental stage in members of the class Calcarea. It is also present in a few members of the class Demospongia.

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Definitions:

Decay

The gradual reduction in the strength, quality, or quantity of something over time.

Peg Method

A mnemonic technique that involves associating items to be remembered with a list of peg words you have memorized in advance.

Method of Loci

A mnemonic strategy that involves visualizing items to be remembered in specific physical locations.

Forgetting Curve

The graphic pattern representing the relationship between measures of learning and the length of the retention interval: As the retention interval gets longer, memory decreases.