The planktonic larvae of coral polyps are called:
a. trochophore.
b. zoea.
c. planula.
d. megalopa.
e. echinopluteus.
C
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In most people, the mucus lining the nose and lungs would be considered
____________________.
a. an adaptive response against pathogens b. a physical barrier to reduce infections c. an innate mechanism d. both a physical barrier to reduce infections and an innate mechanism
C4 plants divide photosynthesis between two types of cells: the mesophyll and the ________ cells
Fill in the blank(s) with correct word
Which of the following is an important difference between lichen and plant physiology?
a. Lichens are photosynthetic. b. Lichens contain chlorophyll. c. Lichens grow slowly. d. Lichens do not control water loss.
In what way are single-celled slime mold amoebas and individual honeybees (social insects that live in colo-nies) alike?
a. Signals cause them to aggregate though they usually live alone. b. They are both examples of loss of complexity. c. Individuals always live in groups. d. Some individuals give up independent replication in the larger group.