Deafness May Be Partial Hearing Loss

question 84

True/False

Deafness may be partial hearing loss.

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Definitions:

Germ Layer

One of the primary layers of cells formed during embryogenesis, from which all tissues and organs of an organism develop.

Pseudocoelom

A fluid-filled body cavity lying inside the external body covering but outside the innermost gut tube, found in some invertebrates.

Phylogeny

The evolutionary history and lineage of species or a particular group of organisms.

Deuterostome

A classification of animals defined by their developmental characteristics, where the anus forms before the mouth during embryonic development.