The Following Questions Refer to the Description Below

question 21

Multiple Choice

The following questions refer to the description below.
Terry catches a ray-finned fish from the ocean and notices that attached to its flank is an equally long, snakelike organism. The attached organism has no external segmentation, no scales, a round mouth surrounded by a sucker, and two small eyes. Terry thinks it might be a marine leech, a hagfish, or a lamprey.
-Terry saved some of the tooth-like objects within the hagfish's round mouth to analyze their composition in his mentor's biochemistry research lab. Terry will find that they are composed of the same protein found in tetrapod

• A) skin.
• B) teeth.
• C) bones.
• D) cartilage.
• E) muscles.

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Definitions:

Psychosocial Developmental Task

Challenges or duties that individuals are expected to accomplish during different stages of their life as part of their emotional and social development.

Generativity

A concern for establishing and guiding the next generation, often seen as a stage of psychosocial development in middle adulthood.

Toilet Training

The process of teaching a young child to control their bladder and bowel movements and to use the toilet for elimination.

Independence

The state of being free from outside control or support, capable of thinking or acting for oneself.