An owl and a bat share the same kingdom and phylum; an owl and a robin share the same kingdom, phylum, and class. which of the following statements is correct? a. the owl and the bat have more characteristics in common. b. the owl and the robin have more characteristics in common. c. all three animals share the same characteristics. d. these three animals have no characteristics in common.

Body systems are not completely independent they integrate and work together describe one example of the integration between body systems

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.

Which of the following statements accurately defines epidermis? a. a thick protein fiber composed of the protein collagen b. hard, dense bone tissue found on the outer surface of a bone c. single layer of epithelial cells and the underlying basal lamina d. outer, protective layer of the skin composed of stratified squamous keratinized epithelial tissue