What Group Has a Water Vascular System,moves with Tube Feet,and

question 12

Multiple Choice

What group has a water vascular system,moves with tube feet,and has an endoskeleton?

• A) Echinoderms
• B) Arachnids
• C) Crustaceans
• D) Platyhelminthes

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Definitions:

Phenylketonuria (PKU)

A genetic disorder characterized by an inability to metabolize the amino acid phenylalanine, leading to developmental problems if untreated.

Epistasis

A genetic interaction where the effect of one gene is modified by one or several other genes, which can suppress or mask the expression of the first gene.

Pleiotropy

The genetic phenomenon in which a single gene influences two or more seemingly unrelated phenotypic traits.

Polygenic Inheritance

Inheritance of traits influenced by multiple genes, contributing to phenotypic diversity.