Metabolism means energy transfers within the cell. Contrast the general functions of the processes known as photosynthesis and aerobic respiration. Organisms use a molecule known as ATP to transfer chemical energy from one molecule to another. Fully describe the role of receptors in the life of organisms. Homeostasis is defined as a state in which the conditions of an organism's internal environment are maintained within tolerable limits.
Reproduction is the means by which each new organism arises.
Explain the origin of trait variations that function in inheritance. A trait that assists an organism in survival and reproduction in a certain environment is said to be adaptive. Explain the use of genus and species names by considering your Latin name, Homo sapiens. Explain what is meant by the term diversity and speculate about what caused the great diversity of life forms on Earth. Define natural selection and briefly describe what is occurring when a population is said to evolve.