Interactions that involve a gain for both participants are called ____
Fill in the blank with the appropriate word.
mutualisms
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Members of the lineage ____ are commonly called chitons. They have a dorsal shell divided into eight
plates that allow it to conform to irregularly shaped surfaces.
a. Cephalopoda b. Polyplacophora c. Bivalvia d. Gastropoda e. Scaphopoda
The effect of resource availability on
population size determines a. the carrying capacity of the environment. b. exponential growth. c. the doubling time of a population. d. the population's biotic potential. e. all of these
The toxin production by Corynebacterium diphtheriae carrying a temperate phage is an example of __________.
a. phage conversion b. general transduction c. specialized transduction d. phage lysis
Researchers can deliver genes into plants by using ____.
A. PCR B. DNA sequencing C. electric or chemical shocks D. gel electrophoresis E. DNA segmentation