Why are molecular clocks important in the construction of cladograms? they compare the frequency of reproduction to determine which traits evolved through mutations. they compare the genes inherited by a species to determine descendants. they compare the number of mutations to determine how long ago species separated and evolved?

They compare the number of mutations to determine how long ago species separated and evolved.

Explanation:

Molecular clocks compares the total number of different nucleotides present in genome of two organisms to estimate the time of their divergence from each other. The average rate at which the specific gene evolves tells about the dates of evolutionary branch points. In this way, the molecular clocks compare the number of mutations to determine how long ago species separated and evolved.

its been noted for the past decade or so that there is some (approximately 5% to 7%) shrinkage in the brains of people who have schizophrenia, most notably in the gray matter, which is an important part structures in the brain’s amygdala, hippocampus and parahippocampus, which are all involved in memory storage and retrieval memory storage and retrieval.

explanation:

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d. planting trees

the trees take in carbon to make oxygen.