Why is grafting used in agriculture?
can use weaker root stock when grafting to stronger plant
plants are uniform and more vigorous
some plants may survive generations only by grafting
size of plants is controlled by grafting
control of loss easier by grafting
valuable fruits and flowers can be grown on strong stock

The chemical form of energy that is useable by the cell to do work

14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.

Where is the nictitating membrane found? a. between the eyelid and the eyeball b. between the retina and the optic nerve c. between the outer and middle ear d. in the organ of corti in the middle ear