Brown algae belong to the phylum:
a. Rhodophyta.
b. Chlorophyta.
c. Anthophyta.
d. Phaeophyta.
e. Dinophyta.
D
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A microbial mat
A. is a form of biofilm. B. is poorly organized. C. contains only obligate anaerobes. D. is constructed to prevent interactions between the various layers of microorganisms. E. is a form of biofilm AND is poorly organized.
Upon treatment with heat or chemicals, bacteria will
A. all die immediately. B. die at a constant proportion. C. die at an exponential rate. D. die at a geometric rate.
Some animals are capable of lowering their metabolism and drastically reducing activity as a survival method during the day to avoid heat or to survive the cold in the winter. What is this process called?
a. holometabolism b. vigor c. torpor d. lassitude
The ________ is a group of cells that will develop into the chorion
Fill in the blank(s) with correct word