1.) in community's characteristics over time where population lives3.) species of freshwater fish that live together in a lake form this of a community 4.)

In fruit flies, gray bodies (g) are dominant over black bodies (g), and brown pigments (n) are dominant over yellow pigments (n). each individual possesses two alleles for each trait. if a fly that is homozygous dominant for both traits is crossed with a fly that is homozygous recessive for both traits, what is the predicted genotype of the offspring.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?