By following honeyguides (a species of bird), people are able to locate bee's nests to harvest honey. In fact, research now reveals that humans use special calls to solicit the help of honeyguides and that honeyguides actively recruit appropriate human partners. this relationship is a rare example of cooperation between humans and free living animals.
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Melanophores are small pigments that are present in the dermis layer of the skin of a shark. They impart a gray color to the dorsal and lateral surface area of the shark. They help in background adaptation and countershading of the body, which makes a shark difficult to be seen.
Answer:
Which of the following was the MAIN difference between the explanations proposed by Lamarck and Darwin?
A.
Lamarck did not include the idea that populations can change over time.
B.
Lamarck based his explanation on the idea that the earth was 6,000 years old.
C.
Lamarck used the evidence provided by the fossil record as a basis for his explanation.
D.
<em><u>Lamarck’s explanation included the idea that individual organisms can evolve within their lifetimes.✓</u></em>
According to Darwin’s theory, organisms that are the most fit
A.
have the longest life spans.
B.
have the best overall health.
C.
<em><u>produce the highest number of viable offspring in their lifetimes.✓</u></em>
D.
are best suited for capturing prey and avoiding predators.
