The function of “A” is to
a. digest the endosperm.
b. protect new leaves as the seedling grows through
soil.
c. secrete hormones that cause flowering.
d. absorb pheromones secreted by other seedlings.
e. do none of these.
Answer: b
You might also like to view...
Fertilization take place within a woman's body in which of the following ART techniques?
a. GIFT b. ICSI c. IVF d. ZIFT e. PGD
Researchers found three genes on chromosome 22 in chimpanzees that, when compared to our human genes, have given us insight into our evolution. What were those three genes?
A. genes for speech development, hearing, and smell B. genes for chest size, cranial size, and leg length C. genes for speech development, opposable thumbs, and leg length D. genes for taste, opposable thumbs, and bipedalism E. genes for food preference, bipedalism, and cranial size
__________ are open channels that connect the
cytoplasm of abutting cells and permit rapid transfer of ions and small molecules between them. Fill in the blank(s) with the appropriate word(s).
Lead is known to undergo biomagnification and accumulate in bones. What do you predict will happen to lead taken up by a tiger after it dies in the wild?
A. The lead will reenter the food web via detritivores and decomposers. B. The lead will be broken down to a non-toxic form. C. The lead will reenter the food web via evaporation and precipitation. D. The lead will be eliminated from the food web because no species prey upon the tiger.