Orchids are a recently evolved plant that have a novel feature known as aerial roots. what is the most likely function of an orchid's specialized roots? aerial roots preserve water in the orchid. aerial roots allow the orchid to attach itself to trees. aerial roots produce food for the orchid through photosynthesis. aerial roots anchor the orchid to the ground.

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

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.

Scientific evidence is most likely to be consistent if it is based on data from