The ________________ can differentiate into stems, leaves, or flowers.
A. suspensor
B. shoot meristem
C. basal region
D. central region
E. apical meristem
E. apical meristem
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Chimpanzees and gorillas share the trait of knuckle-walking, which humans do not generally have. Why do most scientists NOT classify chimpanzees and gorillas as each other's closest relatives?
A) The majority of genetic evidence places chimpanzees closest to humans, not to gorillas. B) Fossil evidence suggests that knuckle-walking was present in ape ancestors and is not a uniquely derived trait for chimpanzees and gorillas. C) Chimpanzees and humans share more unique features in common than either share with gorillas. D) Fossil apes that are thought to be closest to humans show adaptations for knuckle-walking, implying that humans have secondarily lost the trait. E) All of the above.
In California, a species of salamanders were geographically separated over time. The group that lived in southern California relied heavily on large gold blotches on their skin that helped to camouflage them from predators. The group that lived along the coast adopted a color pattern that mimicked a poisonous, colorful newt common to that area. Instead of being camouflaged, these salamanders advertised their colors. What type of selection process has occurred over time?
A. artificial selection B. natural selection C. theoretical selection D. experimental selection
Solving for a function that best describes the data that implies the use of OLS (or equivalently, the sample moment equations) potentially in the presence of several treatments is known as:
A. instrumental variables regression. B. multiple regression. C. least absolute deviations. D. two-stage least squares.
A phylogenetically based taxonomy is important not only in creating a logical way to name organisms, but also in learning about ________ of organisms using information in related species. (Select all that apply.)A) physiologyB) behaviorC) developmentD) morphology
What will be an ideal response?