vocab words

biology- the study of life.



cells- highly organized, tiny structures with thin coverings called membranes.



reproduction- the process by which organisms make more of their own kind.



metabolism- the sum of all of the chemical reactions carried out in an organism.



homeostasis- changes in the external environment.



genes- sets of inherited instructions for making protiens.



heredity- passing of traits from parent to offspring.



mutation- a change in the DNA of a gene.



evolution- change in the inherited traits of species over time.



species- a group of genetically similar organisms that can produce fertile offspring.



natural selection- organisms with favorble genes are more likely to survive and reproduce.



ecology- the science that studies the interactions of living organisms with one another and with the non-living part of their environment.