Pollination and fertilization are essentially the same process. If pollination occurs, fertilization will follow quickly.
Answer the following statement true (T) or false (F)
False
Pollination and fertilization are different processes that may be separated by a long delay. Pollination is the mechanical transfer of pollen from its source to a receptive area on the receiving plant. Sperm are subsequently conducted to the egg by a pollen tube, and fertilization - the joining of sperm with egg - may occur much later. For instance, in a typical pine tree fertilization follows 15 months after pollination.
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A pyramid of numbers gives a reasonably accurate representation of the relationship between trophic levels when
A. all the organisms are consumers. B. all the organisms are about the same size. C. all the organisms are the same age. D. all the animals are carnivores.
In ____ bonds, both atoms exert the same pull on shared electrons.
A. triple covalent B. polar covalent C. double covalent D. nonpolar covalent E. coordinate covalent
Mature plants may become ________ in dry or cold seasons in order to survive long periods that are unfavorable for growth.
A. gravitropic B. dehydrated C. dormant D. thigmonastic E. photoperiodic
Creutzfeldt-Jacob disease is known to have been transmitted by surgical instruments and transplanted nerve tissue.
Answer the following statement true (T) or false (F)