47.       All living things are classified into two general trophic groups.  These two groups are:

93.       In Paramecium, the surface of the cell is covered with thousands of short, hair-like __________.

72.       Which of the following cause the unwinding of the DNA double helix?

59.       Prokaryotic organisms reproduce by which of the following processes?

77.       What evolutionary advantage is provided by meiosis?

86.       The protein coat of a virus is called the:

41.       The transfer of electrons from one compound to another is equivalent to _______________ transfer.

95.       At the base of the food web in aquatic ecosystem are:

79.       Persons having an XXY karyotype are nearly normal males but produce few or no sperm. They have __________ syndrome.

82.       Zea mays is the scientific name of the corn plant. Zea is the __________ name.