Answer:
It is not a reliable test because the people's answer may be biased by prior familiarity with the brands they are testing.
Explanation:
The results are most likely unreliable because if the people who are testing the two brands of lemonades (brand X and Y) know the two brands already from before the test, their responses may be biased according to what they believe <em>a priori</em> that is better. In other words, they could simply choose their favorite brand without objectively analyzing the taste.
Answer:
A
Explanation:
A mismatch occurs when organisms that were well adapted to one environment cannot evolve rapidly enough to adapt to new changes in the environment. <u>Hence, a trait that once confers an adaptive advantage becomes inimical due to the changes in the environment.</u>
<em>In order words, a mismatch occurs when a once adaptive trait becomes maladaptive or no longer confers an adaptive advantage to organisms due to a change in the environment but still persists in organisms. </em>
For example, an organism with a body adapted to aquatic habitat suddenly finds itself in a terrestrial habitat due to climate change. The body that use to be adaptive to the environment would suddenly become maladaptive to the new environment.
The correct option is, therefore, A.
Answer: B. Elk populations would decline.
Explanation:
Since Elks live in riparian vegetation, there will be increase pressure on the vegetation as Wolves, Ravens, Bears and Eagles will naturally migrate to that location thus resulting in a decline of the riparian vegetation.
Answer:
The chromatids contain the maternal DNA only.
Explanation:
They must contain half the original number of chromosomes. It must contain only one chromosome in place of each homologous pair of chromosomes, so it is endowed with either the maternal or the paternal copy of each gene but not both.
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