Some of the offspring of a beetle develop spots. These spots make it harder for birds to see the beetles and thus, the spotted beetles tend to survive and produce more offspring than the beetles without spots. This heritable trait is called a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
adaptation.
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If volcanic rocks are formed on the earth's surface, what is another word for them?
A) extrusive B) intrusive C) plutonic D) lava
This/these are not typically found near the equator
A) deserts. B) convective thunderstorms. C) doldrums. D) high humidity. E) warm temperatures.
What was a distinctive feature of the world's superpowers between the 1940s and 1980s compared to other eras?
A) The United States and the Soviet Union were superpowers for the first time. B) The two superpowers were never involved in wars. C) The number of superpowers was much lower than in the past. D) The superpowers had satellites. E) The superpowers used religion to settle conflicts.
Why did northern Maine become popular as a site for a biathlon center and an international biathlon competition in recent years?
What will be an ideal response?