What are the three major factors that impact the type of biome that will exist in a given area? What will be an ideal response?
ANSWER: The two most important factors would be precipitation and temperature. In general, warm
and wet climates will support more productive biomes and cool and dry biomes will be the
least productive. In addition, the type of soil present is important as this will impact both
nutrient availability and water retention.
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A possible negative consequence of personalized medicine could be
A. predicting responses to medications. B. incorrect predictions of sequence motifs. C. difficulty obtaining insurance if susceptibility to disease becomes public information. D. tailoring treatments to an individual. E. None of the answer options represent negative consequences of personalized medicine.
The figure below illustrates that
A. genetic changes in an ancestral Pax6 gene contributed to the evolution of the mammal eye, while the Drosphilia eye arose independently.
B. most animal species have eyes with one photoreceptor and one pigment cell.
C. eye complexity has not significantly increased since the late Triassic when most modern insect families arose.
D. the retina and cornea developed first, but then were secondarily lost in insects such as Drosphilia.
E. although the mammal eye possesses more cell types and greater complexity than the Drosphilia eye, both arose from genetic changes to an ancestral Pax6 gene.
Which of the following includes all the chordates except tunicates and lancelets?
a. Craniates b. Ostracoderms c. Myxini d. Chondrichthyes
____ contains double bonds.
A. CH4 B. H2O C. CO2 D. NH3