Use the following scenario:Your friend is upset because his conception of what a species has been challenged. His professor told him that there are some problems associated with the common way that a species is identified. Your friend learned what a species was while in high school and it was reinforced during his first year in college. He also refers to the third chapter in your environmental science book for this definition. Your friend wonders if this professor knows what she is talking about. You explain to him that there really are some problems associated with the common way that a species is defined and you think that this professor is correct.You also mentioned to your friend that a new tool, DNA sequencing technology, is radically changing the way species are identified. In fact,
some groups that were originally thought to be far apart now seem to be closely related. Which of the following statements does not reflect the implications of using this new tool?
A. This tool will end the debate of what is or is not a species
B. This tool allows us to see how closely related species are in terms of their genetics
C. This tool helps us judge genetic diversity
D. This tool helps us better understand molecular evolution
E. This tool helps us better understand how species actually originate
Answer: A
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In order to conserve angular momentum, an object's rotational velocity must decrease if its distance from the axis of rotation increases
Indicate whether the statement is true or false
What advantage does the characteristic indicated by letter "D" bestow upon the animal who occupies this niche, as opposed to the animal occupying the other niche?
What will be an ideal response?
To create a sea breeze
A. the cool air over the land rises, creating low pressure. Warm air over water sinks, creating high pressure. This creates an onshore breeze. B. the cool air over the land sinks, creating low pressure. Warm air over water rises, creating high pressure. This creates an onshore breeze. C. the warm air over the land sinks, creating high pressure. Warm air over water rises, creating low pressure. This creates an onshore breeze. D. the warm air over the land rises, creating low pressure. Cool air over water sinks, creating high pressure. This creates an onshore breeze.
North America is closest to the sun, during
A. perihelion, which occurs in early January. B. aphelion, which occurs in early January. C. perihelion, which occurs in early July. D. aphelion, which occurs in early July.