Members of the Chondrichthyes Had Ancestors with Dermal Armor,but Have

question 57

Short Answer

Members of the Chondrichthyes had ancestors with dermal armor,but have a skeleton composed of _____________.

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Definitions:

Effectiveness

Effectiveness is the degree to which something achieves its intended outcome or results in a successful, desired effect.

Developing Group

The process of forming and establishing a group with common goals or interests.

Observational Measures

are methods of assessing behavior or phenomena as they naturally occur without manipulation or intervention by the observer.

Products

Items or goods that are manufactured, grown, or refined for sale.