What type of bond joins neighboring water molecules?
A. covalent
B. hydrogen
C. ionic
D. nonpolar
B. hydrogen
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The realized niche of Semibalanus is
A. bigger than its fundamental niche. B. the same as its fundamental niche. C. the same as that of Chthamalus. D. smaller than its fundamental niche.
Which of the following is least likely to be preserved as a fossil?
A. an organ like an eye or lung B. a bone or shell C. an organism that died on land D. a complete large organism E. a leaf or stem
Four of the five protists listed below are parasitic
Select the exception. a. Plasmodium spp. b. Amoeba proteus c. Giardia lamblia d. Trypanosoma brucei e. Phytophthora infestans
If two nonsister species on the phylogenetic tree above differ from the other two in a single character state (say dark or light fur), denote any possible evolutionary changes by placing an X—or Xs—on the tree below
Be sure to label the X as a loss or gain. What will be an ideal response?