Choose the most appropriate response for each.
A. Exponential growth
B. Per capita growth rate
C. Broad-based age structure
D. Density-dependent limiting factor
A. Growth pattern which appears as a J-shaped curve when population increases are plotted against time
B. For some interval, the added number of individuals divided by the initial population size
C. Population with greater proportion of young people; indicates greater expected population growth
D. For example, the amount of glucose in a culture flask containing bacteria
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Why is the process of nitrogen fixation by prokaryotes essential?
a. It removes nitrogen from the soil. b. It converts atmospheric nitrogen to a non-toxic form. c. It provides nitrogen sources for plants and animals. d. It provides an energy source for photosynthesis. e. It allows for the breakdown of complex macromolecules.
Many restriction enzymes generate ____ on DNA fragments after being cut
a. frank ends b. recombinant ends c. curved ends d. sticky ends e. oblique ends
The structure labeled A in Figure 27-1 is a:
a. gametangium of an alga.
b. gametangium of a plant.
c. germinating spore.
d. megasporangium of an alga.
e. megasporangium of a plant.
What are the two main functions of the urinary system?
What will be an ideal response?