Which of the following focuses on vital
statistics that describe the population?
a. ecostatistics
b. population ecology
c. demographics
d. biostatistics
e. community ecology
C
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During which phase of growth are bacteria most susceptible to antibiotics?
A. Lag B. Stationary C. Exponential (log) D. Decline
What type of bonding is likely to occur between two water molecules or strands of DNA?
A. covalent. B. ionic. C. hydrogen. D. both hydrogen and covalent. E. both hydrogen and ionic.
Among eukaryotes, only animals undergo meiosis
a. True, animals are the only group that sexually reproduces. b. False, meiosis is associated with all eukaryotes regardless of whether they reproduce sexually or asexually. c. False, meiosis occurs in all sexually reproducing eukaryotes. d. True, plants and fungi reproduce via asexual reproduction
During a laboratory exercise in class, Wei is asked to observe cells from different organisms. Her teacher asks her to list structures that are found in all cells. Which of the following could be found in all the cells that she studied?
A) cell membrane, cytoplasm, DNA B) cell membrane, cell wall, DNA C) cell wall, cytoplasm, DNA D) cell membrane, centrioles, DNA