What of the following describes how an organism responds to external stimuli? a blinking occurs when dust hits the human eye b the human body reduces sweating when its water levels are low c a dog eats food when it is hungry d a person yawns when oxygen is low in the lungs

The production of cells during mitosis into specialized function is recombination or differentiation

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.

The variation among individuals, on which natural selection acts