The intricate plumage of male birds of paradise has become increasingly elaborate throughout their evolution due to females mating preferentially with males that display the most impressive feathers. this is an example of selection.1. artificial
2. disruptive
3. sexual
4. stabilizing

3. sexual selection

Explanation:

Because artificial selection is the one made by humans like dog breeds.

Disruptive selection is when extreme values for a trait in a population are favored like big and small sizes. Stabilizing is when the trait is pushed towards the average. Sexual selection is when the trait aids in competition among individuals for access to preferred mates.

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.