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zhenek [66]
2 years ago
13

To be a useful index fossil, the organism should have been rare when it lived on Earth.

Biology
1 answer:
MrRissso [65]2 years ago
4 0
True because of the fact that index fossils help correlate and date from its origin and date of existence. basically, it is a fossil that is kept and annalized. 
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Answer:

The answer is D

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1 dangerous mutations

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C) Let population A be Zebras, and population B Lions.

From the graph, at the beginning the there is increase in Lions, as well as in smaller rate in Zebras. At one point, the population of Lions begins to decrease, so they will eat less Zebras. This will allow Zebras to increase population. With more Zebras on the menu, more Lions will eat and increase their chance to survive. This leads to decrease in Zebra population. But again, with less Zebras, the Lion population must decrease allowing Zebra population to increase, and so on.

8 0
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What are some characteristics of a tree
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