Answer:
Saliva's normal pH range is between 6.2 and 7.6. It's average is like a 6.7. Saliva keeps a neutral pH balance and doesn't fall below 6.3 in the oral cavity.
Explanation:
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Hello again!
One limiting factor is the climate changes that the mammoths faced. They “stressed the mammoth population”
Another could be the humans as they arrived, the mammoths had gone extinct
Lastly the mammoths needed a lot of space as they were very big.
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How did geological gradualism and uniformitarianism influence Darwin?
Darwin stated that evolution through natural selection through gradual change from the environment. This is like uniformitarianism where things, that change, change at a constant rate.
Answer:
The answer is A because it erodes rocks away over time
Explanation:
A
Answer:
Natural selection, mutation, and genetic drift are random events.
Explanation:
A mechanism of evolution in which the frequencies of alleles of a population change with generations because of sampling error is known as genetic drift. It takes place in all the populations of non-infinite size, however, its influences are strongest in small populations.
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