You can differentiate them as vertebrates.
Bats are mammals
Doves are birds
Answer;
B. Jumping rope
Explanation;
Jumping rope is not an anaerobic exercise but an aerobic exercise.
Anaerobic exercise is a form of high intensity exercise that increase the oxygen debt. However since the muscles require oxygen to maintain prolonged exertion, anaerobic exercises can only last for short periods of time.
Examples of anaerobic activity sprinting, high-intensity interval training, power lifting and most athletic sports.
"<span>The genes for melanin pigmentation remain turned on and prepare more melanin than usual to protect the skin from photo-damage when it is exposed to sunlight for long time" is the actual reason. </span>
The people who represented the Denisovan species are more likely to be related to <span>Neandertals, rather than human beings (Homo sapiens). The former differs from the latter at 202 positions of the mitochondrial DNA. Their fossil records claim that humans, Denisovans, and Neandertals have the same ancestry. </span>