Q: What broad category of animals is primarily ectothermic and covered with scales that facilitate swimming?


Read this paragraph and choose the correct option from the provided answers:

Fish show great diversity in body size. They range in length from about 8 millimeters (0.3 inches) to 16 meters (about 53 feet). Most are ectothermic and covered with scales. Scales protect fish from predators and parasites and reduce friction with the water. Multiple, overlapping scales provide a flexible covering that allows fish to move easily while swimming.

 Choices:

- armadillo

- turtles

- deer

- fish


A:
fish