2. Look at the events in your Sorting Tool activity and at the Geologic Time Scale diagram from the article in what penod did the first fish appear?

This is so important ugh its 25 points

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.