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ipn [44]
3 years ago
12

K-selected species are also called equilibrium species. a. True b. False

Biology
1 answer:
olga_2 [115]3 years ago
5 0
The answer is True. These species do well in stable environment. They have a long life span and produce few offsprings in their lifetime. Their offspring are large and more energy is invested in the individual rather than the numbers. Individuals can reproduce more than once in their lifetime unlike r-selected species that reproduce once.
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if an element has a half-life of 30 million years and there is 12.5% of it remaining in a rock, how old is that rock
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Answer:

The half-life of a substance is the amount of time it takes for half of that substance to decay. However, after two half-lives, half of the half remaining will decay, leaving you with one quarter of the original substance.

So, after 1 million years you will have 50% of the original substance remaining.

And, after 2 million years you will have 25% of the original substance remaining.

After 3 million years you will have 12.5% of the original substance remaining.

And after 4 million years you will have 6.25% of the original substance remaining.

Explanation:

Hope it helps:)

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