Sexual selection example; The brightness of the feathers of a peacock. You may also see similar traits in other birds, where some dance and show off bright feathers to attract a mate, where other build nests. These specific traits do not increase their chance of survival, and are not learned. They increase their fitness because they increase their chances of reproduction and passing on their genes.
Survival of the fittest = Survival of those who survive, and reproduce
This is from another brainly answer it's the same questions but it should be the correct answer because it's a certified answer. Hope this helps!
Tuber is thick underground stem, such as potato for example. It usually has buds from which new plants could grow. So, the first part of Stacy's vegetable is definitely turbous stem. The other part must be root, because it has hairy structures. These hair-like structures have function in <span>the absorption of water and minerals from the soil.</span>