An ecosystem is best described as the A) Type of food that an organism eats
B) Type of home an organism builds
C) Group of organisms in a particular place
D) Living and nonliving factors in one place

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.

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

What is the inability of an individual or a society to achieve a minimum standard of living known as ?