Chemicals secreted by glands and transported through the circulatory system to organs and tissues are also known as a. a hormone. b. an enzyme. c. dna. d. a food molecule.

Which conditions need to be in balance for cells to function? check all that apply. blood sugar food intake body water body temperature body mass

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false