Molecular clocks use rates of mutation to measure evolutionary time.Mutations add up at a fairly constant rate in the DNA of species that evolved from a common ancestor. The more mutations that happened in each lineage, the greater is the differences between these lineages.
<span>B. He needs to take extra precautions when standing up because of possible orthostatic hypotension and resulting injury from falls.</span>
I'm pretty sure they are reffering to Alzheimers.
Answer:
The Skeletal system helped him move his hand away from the hot object.
Explanation:
The Skeletal system consists of our skeleton or the bones. The other options would be correct if the question asked about the<u> nervous system</u> instead of the skeletal system.
Answer:
A national park is a reserved area of land owned by the government which is protected from industrialization, human exploitation, and pollution.
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Difference Between Wildlife Sanctuary, Biosphere Reserves and National Park.
Wildlife SanctuaryBiosphere ReservesNational ParksNot requiredSubject to the particular area of the biosphere reservePermission is required