The permian period ended, and then rapid speciation occurred as new animal and plant forms evolved. the most likely explanation for this is
i) adaptive radiation
ii) ecological opportunity
iii) lack of competition
iv) morphological innovation

While eating cake crystal watched kisha place her hand in the frosting and rub it in her hair afterwards crystal did the same with her piece of cake crystal displayed

25. what does meiosis create? haploids or diploid? somatic cells or gametes?

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.