Answer:
The large eyed ducks had an undesirable trait, but the small eyed ducks have a desirable trait. Because the large eyed ducks had a trait that decreases their chances of survival, they wete killed. But small eyed ducks are lucky because they have a trait that increases their chance of survival. The small eyed ducks reproduce more offspring that have small eyes, but the large eyed ducks cannot because they didn't survive. This causes that the allele for large eyes in the gene pool to decrease.
Target cells that are known to be having specific receptor for an antigent or antibody and the main reason why all cells are not target cells for the hormones is that they act as the focus for contact by phagocyte.
Giving care to a patient who is bleeding without wearing protective barriers such as disposable gloves could be dangerous because it can expose an individual to infections. The best way for you to care for this person is;
1. to have him/her to hold or apply pressure on the wound on his forehead.
2. Cover the cuts on the forehead with a bandage and ensure immediate washing of hands after providing care for the person.
I think to cold countries.
Do you have choices to choose from? If mechanical weathering is in the choices (if you have them) then it would be mechanical weathering