When body temperature rises, a center in the brain initiates physiological changes to decrease the body temperature. this is an example of diagnostic regulation. positive feedback. negative feedback. nonhomeostatic regulation. fever?

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins