On a food web diagram, one type of fish is labeled as a primary consumer, and another is labeled as a secondary consumer. what is the reason for this difference?

secondary consumers are higher in the food web because they eat primary consumers

primary consumers are smaller fish but are at the same level in the food web as secondary consumers

secondary consumers eat primary producers so they are lower in the food web

primary consumers eat secondary consumers so they are lower in the food web

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.