plz help 1. What would be the percentage of the non-singing trait in female birds in Generations 4 and 5 if this pattern continues? (5 points) 2. In which generation will there be almost 100% non-singing females if there are no changes in the birds’ environment and interactions? (5 points) 3. In what possible scenario would the female birds evolve to having the singing trait? (5 points)

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a. the offspring are more likely to have freckles. b. the offspring are more likely to have no freckles. c. the likelihood of the offspring having freckles and not having freckles is the same. d. the likelihood of the offspring having freckles and not having freckles cannot be determined.