Members of this Lophotrochozoan phylum include earthworms, bristle worms, and leeches
a. Rotifera
b. Mollusca
c. Platyhelminthes
d. Annelida
e. Nemetera
D
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Mendel's law of independent assortment states that genes separate from each other during gamete formation so that each sperm or egg gets only one unit of each pair
Indicate whether the statement is true or false
Specialized epidermal outgrowths that remove excess salt accumulated in seashore plants are an example of:
a. plasmodesmata. b. guard cells. c. stomata. d. sclereids. e. trichomes
Which of the following represents a difference between viruses and viroids?
A) Viruses infect many types of cells, whereas viroids infect only prokaryotic cells. B) Viruses have capsids composed of protein, whereas viroids have no capsids. C) Viruses have genomes composed of RNA, whereas viroids have genomes composed of DNA. D) Viruses cannot pass through plasmodesmata, whereas viroids can.
Genetic change in bacteria is accomplished by which of the following?
A. Genetic recombination B. Gene exchange between bacteria C. Mutation D. All of the above are correct.