As shown in Figure 25.1 (and reproduced here), atmospheric CO2 levels oscillate over the course of the year. What season would you expect oxygen levels to be highest?
A. summer
B. fall
C. winter
D. spring
B
Biology & Microbiology
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A barophile would grow best in ________.
A. hot geyser springs B. deep oceans C. acid pools D. arid, desert soil E. salt lakes
Biology & Microbiology
If the peptidoglycan layer is between two plasma membranes in an organism, that organism is ____
a. Gram-negative b. an archaean c. Gram-positive d. chemoautotrophic e. eukaryotic
Biology & Microbiology
Malarial parasites' favorite food source is
a. chitin. b. collagen. c. myosin. d. hemoglobin. e. fibrinogen.
Biology & Microbiology
A J-shaped population growth curve becomes an Sshaped
one a. as more resources become available. b. if the data are plotted on semi-log graph paper. c. as the carrying capacity is reached. d. if reproduction stops. e. if any of these occur.
Biology & Microbiology