Answer:
the first wave of extinction may be related to rapid cooling at the end of the Ordovician Period, and the second phase is widely regarded as having been caused by the sea-level fall associated with the glaciation.
<span>Scientists have been doing several experimentation
and discovery of the changes of the ice on the pole. Recent evidence from polar
ice core analysis shows that, until now, carbon dioxide levels have never
exceeded 300 ppm in the last several hundred thousand years.</span>
Answer:
A, Checks and balances and separation of powers.
Explanation:
For Ms. Cantu, the GRB7 gene is not expressed in malignant breast tissue while the ESR1 gene is upregulated in such tissue.
Upregulated genes are shown by the colour red.
Down-regulated genes are shown by the colour green.
Non-differentially expressed genes are indicated by the colour yellow.
Absence of expression is shown by the colour black.
Hence from the table and colours ESR1 The GRB7 gene is not expressed, and the gene is upregulated.
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