| A | B |
|---|
| scientific name | Made up of genus and species |
| kingdom | largest of the classification groups |
| species | most specific classification group |
| Aristotle | First to divide all organisms into 2 groups |
| Plant | kingdom of multicelled organisms that can make their own food |
| Latin | Language that all scientific names are written in |
| Animal | kingdom of multicelled organisms that can move but can't make their own food |
| classify | to group individuals based on common characteristics |
| Monera | bacteria kingdom |
| Fungi | kingdom of organisms that are decomposers |
| Protist | kingdom of single celled organisms that live in moist environments |
| fossil | evidence of past living life form |
| camouflage | able to blend in with the surroundings |
| natural selection | Darwin's theory of evolution |
| mutation | a change in the DNA of an organism |
| sedimentary | type of rock fossils will be found in |
| adaptation | a change that better enables an organism to survive in its environment |
| competition | the struggle of living things to achieve resources needed for life |
| variation | differences among members of the same speices |
| radiometric dating | measuring the amount of radioactivity an element contains |
| relative dating | dating of a rock or fossil based on the layer of rock the fossil was found in |
| Precambrian | earliest era, first living things evolve |
| Paleozoic | first vertebrates (fish) evolve, ends in largest mass extinction |
| Mesozoic | era of the dinosaurs |
| Cenozoic | current era |
| extinct | when a species no longer exists |
| vestigial structure | a structure that no longer serves a function in modern organisms |
| mitosis | the division of the cell nucleus and its contents |
| cell cycle | the regular growth, DNA duplication and cell division in a eukaryotic cell |
| chromosom | the long continuous thread of DNA that consists of numerous genes |
| metaphase | stage of mitosis where the duplicated chromosomes line up in the middle |
| sister chromatids | duplicated chromosomes |
| anaphase | stage of mitosis where sister chromatids pull apart |
| benign | relatively harmless tumor |
| malignant | cancerous tumor that can spread |
| metastasize | when cancer cells break away and spread through the bloodstream to other parts of body |
| traits | distinguishing characteristics that are inherited |
| genetics | the study of biological inheritance patterns |
| gene | a piece of DNA that provides instructions for determining a trait |
| genotype | the genetic makeup of a specific set of genes |
| phenotype | the physical outward appearance of an organism |
| dominant | allele that is expressed |
| recessive | allele that is hidden if it is present with a dominant one |
| homozygous | having 2 of the same alleles for a trait |
| heterozygous | having 2 different alleles for a trait |
