Term
|
Definition
| The scientific study of life |
|
|
Term
|
Definition
| descent with modifications due to genetic change from gen-gen |
|
|
Term
|
Definition
| study of interactions between organisms and environment |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| study of fundamental unit of living things |
|
|
Term
|
Definition
| the scientific study of heredity |
|
|
Term
|
Definition
| all living things have complex organization (one of the seven properties) |
|
|
Term
|
Definition
| The ability to produce more of their own kind, can be sexual or asexual (one of the seven properties) |
|
|
Term
|
Definition
| Controlled by DNA (one of the seven properties) |
|
|
Term
|
Definition
| acquiring energy and transforming it to a form useful for the organism (one of the seven properties) |
|
|
Term
| Response to the environment |
|
Definition
| An ability to respond to environmental stimuli (one of the seven properties) |
|
|
Term
|
Definition
| An ability to maintain an internal environment consistant with life (one of the seven properties) |
|
|
Term
|
Definition
| acquisition of traits taht best suit the organism to its environment (one of the seven properties) |
|
|
Term
|
Definition
| all environments on earth that support life |
|
|
Term
|
Definition
| all the living biotic and nonliving abiotic components of a particular environment |
|
|
Term
|
Definition
| All the organisms living in a particular area |
|
|
Term
|
Definition
| an interacting group of indivudals of one species |
|
|
Term
|
Definition
| an individual living entity single or multi cell |
|
|
Term
|
Definition
Example: chickadee in a forest
Other chickadees (mate, offspring, flock members), predators, insects, trees, etc. What types of factors are these? |
|
|
Term
|
Definition
Example: chickadee in a forest
atmosphere, water, climate, soil, sunlight, etc
What types of factors are these? |
|
|
Term
| prokaryotes and eukaryotes |
|
Definition
|
|
Term
|
Definition
| lowest level of structure that can perform all functions necessary for life |
|
|
Term
|
Definition
| smaller and less complex- lack a nucleus and other organelles |
|
|
Term
|
Definition
| generally larger and more complex- contain a nucleus and other organelles |
|
|
Term
|
Definition
|
|
Term
|
Definition
| ultimately dependent on producers for food |
|
|
Term
|
Definition
| break down dead organic material, which is recycled |
|
|
Term
|
Definition
| Group of individuals that are morphologically similar and are able to interbreed and produce viable, fertile offspring |
|
|
Term
| bacteria, archae, eukarya |
|
Definition
| What three domains are the largest, most overarching groups? |
|
|
Term
|
Definition
| cells that lack a nucleus |
|
|
Term
|
Definition
live in unusual places: thermal vents, hot springs, extreme pH
likely similar to earliest forms of life |
|
|
Term
| Protists, fungi, plantae, animalia |
|
Definition
| Four kingdoms in domain Eukarya |
|
|
Term
|
Definition
| Study of all different life forms on earth |
|
|
Term
|
Definition
| studied natural selection at galapagos islands, studied finches, presented evidence to support the idea of evolution, mechanism of evolution being natural selection |
|
|
Term
|
Definition
worked with darwin
defined natural selection as the change in frequency of genetic traits in a population through differential survival and reproduction of indivudals bearing those traits |
|
|
Term
|
Definition
| the selective breeding of domesticated plants and animals for specific traits |
|
|
Term
|
Definition
| inherited traits that enhance an organisms ability to survive and reproduce in its environment |
|
|
Term
|
Definition
| _____________ ________ in reproduction leads to a gradual change in the characteristics of a population over generation |
|
|
Term
|
Definition
| favors intermediate phenotypes, most common in stable environments |
|
|
Term
|
Definition
| acts against individuals at one of the phenotypic extremes, common in a changing environment |
|
|
Term
|
Definition
| favors individuals at both extremes of the phenotypic range, common in hetergeneous environments |
|
|
Term
|
Definition
| a form of natural selection in which individuals with certain hcaracteristics are more likely than others to obtain mates |
|
|
Term
|
Definition
selection for mates with specific characteristics
usually females choose males |
|
|
Term
|
Definition
| selection for male weapons in order to compete with one another for female |
|
|
Term
|
Definition
over time female selection for a male trait leads to more pronounced traits and greater female preference
leads to the evolution of spectacular displays |
|
|
Term
| zahavi's handicap principle |
|
Definition
secondary characteristics act as handicaps to males
only superior males can survive with such burdens, honest signals of male quality |
|
|
Term
|
Definition
| the distinction in appearance between males and females of a species (size, ornamentation, coloration, courtship behavior) |
|
|
Term
|
Definition
| Bluegill sunfish that defend nest sites that females visit to spawn, males look after the eggs and fry |
|
|
Term
|
Definition
| blue gill sunfish that mimic females, join a spawning pair and are not detected by parental male |
|
|
Term
|
Definition
| bluegill sunfish that is small, dart into the nest while a pair is spawning to try to fertilize some of the eggs |
|
|
Term
|
Definition
| Some male sticklebacks steal eggs from another nest and bring them back to their own nest to increase the attractiveness of their nests to females |
|
|
Term
|
Definition
| branch of biology focused on naming and classifying organisms |
|
|
Term
| Biological species concept |
|
Definition
| defines a species as a population or group of populations whose members can interbreed and produce fertile offspring, unapplicable to asexual organisms and fossils |
|
|
Term
| morphological species concept |
|
Definition
| classifies organisms based on observable and phenotypic traits, can be applied to asexual organisms and fossils |
|
|
Term
| ecological species concept |
|
Definition
| defines a species by its ecological role or niche |
|
|
Term
|
Definition
| study of the evolutionary relationships between an organism and its known descendents |
|
|
Term
| phylogenetic species concept |
|
Definition
| defines a species as a set of organisms representing a specific evolutionary lineage |
|
|
Term
|
Definition
| isolate a species gene pool and prevent interbreedinga mong species |
|
|
Term
|
Definition
| reproductive barrier before the zygote is formed |
|
|
Term
|
Definition
| reproductive barriers after a zygote is formed |
|
|
Term
|
Definition
| species breed at different times |
|
|
Term
|
Definition
| populations live in different habitats and do not interact |
|
|
Term
|
Definition
| There is littel or no sexual attraction between species due to species-species behavior |
|
|
Term
|
Definition
| female and male sex organs are not compatible |
|
|
Term
|
Definition
| after mating gametes do not unite to form a zygote |
|
|
Term
|
Definition
|
|
Term
|
Definition
| hybrid offspring between two species are sterile and therefor cannot mate |
|
|
Term
|
Definition
| hybrids that mate with each other or either parent species produce feeble or sterile offspring |
|
|
Term
|
Definition
| the evolution of many new species from a common ancestor in a diverse environment |
|
|
Term
|
Definition
| groups of two or more sister species endemic to a lake or lake basin |
|
|
Term
|
Definition
| a population becomes spatially subdivided into multiple subpopulations |
|
|
Term
|
Definition
| a single population forms genetically distinct subpopulations w/o spatial isolation |
|
|
Term
|
Definition
| extra sets of chromosomes due to accidents during cell division |
|
|
Term
|
Definition
| new species evolve by the gradual accumulation of changes brought about by natural selection |
|
|
Term
|
Definition
| periods of rapid evolutionary change and speciation interrupted by long periods of little or no detectable change |
|
|
