An oak tree gets nourishment from the sun and produces acorns. squirrels eat the acorns for food. what happens to the molecules in the food consumed by the squirrel? a. the molecules get eliminated completely by the squirrel as waste. b. the molecules get converted to energy and other types of molecules. c. the molecules get converted to energy only. d. the molecules are destroyed in the animal's body.

The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.

The backbone of the double helix has an alternating molecules. what do you call these alternating molecule?

Many birth-control pills release a constant amount of synthetic estradiols and progesterone for 21 days, followed by 7 days when no hormones are ingested. which of the following statements most accurately describes the effects of birth-control pills? -birth-control pills maintain constant levels of estrogens and/or progesterone so there is no surge in lh and ovulation does not occur.-birth-control pills inhibit the development of the uterine lining so implantation of a fertilized oocyte cannot occur.-birth-control pills maintain constant levels of estrogens and/or progesterones and mask the release of the oocyte from the follicle.-the 7 days with no hormones does not allow a thick enough uterine lining to form so a fertilized oocyte cannot implant.