Practice 5: Match each relationship description to the correct corresponding relationship. Mutualism
Both organisms benefit
Predation
Both organisms are harmed in some way
Parasitism
One organism benefits and the other is neither
harmed nor benefits
Competition
One organism eats the other living organism
Commensalism
One organism lives on and takes resources from a host
organism

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.