Chickens need calcium to build bones and egg shells. what is the most likely unintended consequence for chickens that have been selectively bred to produce a large number of eggs?
a. white eggs
b. brown eggs
c. strong eggs
d. weak bones

The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents

Which represents the cross between parent plants if one is heterozygous for yellow-colored pods and the other is homozygous for green-colored pods? yy  ´    ´    ´    ´  yy

Which enzymes break down carbohydrates?