Answer: They have streamlined bodies with poweful muscles
Explanation: them are some strong boys
Answer:
Artificial selection is non-random whereas natural selection, and sexual selection are random selection.
Explanation:
Artificial selection is considered non-random whereas natural selection, and sexual selection are considered as random selection because in Artificial selection, humans select the mating animals in order to acquire the desired characteristics and features in the offspring while on the other hand, natural selection, and sexual selection are happen randomly without the intervention of humans, it occurs naturally so we can conclude that artificial selection is non-random whereas natural selection, and sexual selection are random selection.
Answer:
If distinct biological species are to coexist in sympatry, they must be reproductively isolated and must exploit different limiting resources.
Explanation:
Answer:
hope it helps
Explanation:
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
Answer:
B. Maintenance of homeostasis by negative feedback
Explanation:
A negative feedback loop is one where the body responds by changing the expected outcome.
So as the runner's body temperature increases, they perspire, which LOWERS their body temperature. This means that perspiring is a response that changes the original response, as their body temperature decreases rather than continuing to increase from exertion.