Any change that occurs in a gene or chromosome
What is a Mutation
The gradual change in a species over time
Evolution
A hollow space in sediment in the shape of an organism
Mold
The 2 levels of classification used for binomial nomenclature
Genus and Species
A small, nonliving particle that invades and then reproduces inside a living cell
Virus
Organisms with 2 different alleles for a trait
Hybrids or heterozygous
The preserved remains or traces of an organism that lived in the past
Fossils
A trait that helps an organism survive and reproduce
Adaptation
The scientific study of how living things are classified
Taxonomy
A virus that attacks bacteria
Bacteriophage
Involves inserting working copies of a gene directly into the cells of a person with a genetic disorder
Gene Therapy
Crossing 2 individuals that have identical or similar sets of alleles
Inbreeding
When a mold becomes filled in with hardened minerals
Cast
When each organism is given a two-part scientific name
Binomial nomenclature
A long, whiplike structure that extends from the cell membrane and passes out through the cell wall and can be used for movement
Flagellum
All the DNA in one cell of an organism
Genome
The process by which individuals that are better adapted to their environment are more likely to survive and reproduce than other members
Natural Selection
A type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together
Sedimentary Rock
A series of paired statements that describe the physical characteristics of different organisms
Taxonomic Key
A chemical substance that can kill bacteria without harming a person’s own cells
Antibiotic
Process of selecting a few organisms with desired traits to serve as parents of the next generation
Selective breeding
One theory proposing that evolution occurs slowly but steadily
Gradualism
A diagram that shows how scientists think different groups of organisms are related
Branching tree
The 8 levels of classification in the correct order
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
A substance that stimulates the body to produce chemicals that destroy viruses or bacteria
Vaccine