Consider a plant where a multicellular generation is able to make both sperm and eggs. Which of the
following terms would describe such a plant?
a. homosporous
b. bryophyte
c. heterosporous
d. lycophyte
e. haploid/diploid
A
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A time lag in the response of survivorship and fecundity to a population's density can occur because ____ is usually
determined by the availability of resources at some time in the past.
a. death b. immigration c. fecundity d. competition e. population growth
Astrobiology is considered a sub-discipline of microbiology because
A. microbes are known to exist on other planets. B. all extraterrestrials known are microbial. C. life elsewhere in the universe is likely to be microbial. D. only microbes can reproduce under the extreme conditions in outer space.
Why do mitochondria need the many folded inner membranes called the cristae?
a) these membranes are used to store replacement membrane for the mitochondrial surface b) these membranes are the location for glycolysis in the cell c) to provide a large surface area for the many embedded enzymes involved with aerobic metabolism (production of large amounts of ATP) d) to provide a large surface area for detoxification of potentially harmful substances e) to provide a large surface area for anaerobic metabolism
Under which of the following conditions would the rate of transpiration INCREASE?
a. When the weather changes and air becomes drier b. When the temperature of a leaf decreases c. When stomata close at night d. During a storm, when atmospheric pressure is low