You construct a life table for a plant species and find that in all cases about the same proportion of the cohort survive to the beginning of the next time interval. What would you call this?
A. a Type I survivorship curve
B. populations regulated by density-independent events
C. a Type III survivorship curve
D. a Type II survivorship curve
E. a semelparous life history adaptation
Answer: D
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Microarray analysis is used to
A. determine the size of gene fragments after digesting with restriction endonucleases. B. analyze an organism's entire genome. C. determine which genes are being expressed in an organism. D. analyze an individual's single nucleotide polymorphisms.
If a pigment absorbed violet, yellow, orange, red, and green light, what color would it appear to be?
a. white b. brown c. black d. blue e. gray
The photosynthetic pigments work together to function almost like an antenna.
a. true b. false
Living diatoms contain brownish plastids. If global warming causes blooms of diatoms in the surface waters of Earth's oceans, how might this be harmful to the animals that build coral reefs?
A) The coral animals, which capture planktonic organisms, may be outcompeted by the diatoms. B) The coral animals' endosymbiotic dinoflagellates may get "shaded out" by the diatoms. C) The coral animals may die from overeating the plentiful diatoms with their cases of silica. D) The diatoms' photosynthetic output may over-oxygenate the water.