How are adaptation and selection related to one another?

Electrochemical cells provide energy by allowing electrons to flow through an external circuit to electrodes contained in an electrolyte

Conclusion: m∠spt + m∠tpu = 90° which of the statements supports the conclusion from the diagram and the given information. vertical angles are equal in measure. perpendicular lines meet to form right angles. adjacent angles whose exterior sides are perpendicular rays are complementary. adjacent angles whose exterior sides are perpendicular rays are supplementary.

This animal represents what kind of body symmetry