Answer:
<em>The option that is false is A) There are 80 bones in the appendicular skeleton.</em>
Explanation:
Option A is false because the appendicular skeleton comprises of 126 bones instead of 80. However, it is the axial skeleton which comprises of 80 bones. Together, the bones of the appendicular skeleton and the axial skeleton make up 206 bones. The main function of the appendicular skeleton is to help the body in locomotion. The appendicular skeleton forms from the cartilage during a process termed as endochondral ossification.
The correct answer is the urethra.
Environmental contaminants make their way into lakes, rivers, and groundwater and many other places. Animals drink that water. Our crops absorb that water that seeps into the soil, those crops are consumed by animals and humans. Therefore those animals are contaminated with whatever contaminant they consumed. In return those animals are ingested by the predator that consumes it therefore passing through the food chain.