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Stage 1 Biology T4
| Term | Definition |
|---|---|
| Classification | The process of grouping things based on their similarities |
| Carl Linnaeus | "Father of Taxonomy"; established his classification of living things; famous for animal naming system of binomial nomenclature |
| Bionomial nomenclature | Classification system in which each species is assigned a two-part scientific name |
| Scientific name | genus and species |
| Kingdoms | Monera, Protista, Fungi, Plantae, Animalia |
| Classification levels | Kingdom, Phylum, Class, Order, Family, Genus, Species |
| Animalia | kingdom of multicellular eukaryotic heterotrophs whose cells do not have cell walls |
| Plantae | Kingdom of multicellular photosynthetic autotrophs that have cell walls containing cellulose |
| Fungi | A kingdom made up of nongreen, eukaryotic organisms that have no means of movement, reproduce by using spores, and get food by breaking down substances in their surroundings and absorbing the nutrients |
| Protista | Kingdom composed of eukaryotes that are not classified as plants, animals, or fungi |
| Monera | one celled organism with no distinct nucleus |
| Species | A group of similar organisms that can breed and produce fertile offspring. |
| Features used to classify organisms | - Physical features - Reproductive strategies - Molecular sequencing |
| Dichotomous key | guide designed to identify organisms, uses pairs of observable traits as checklist to pinpoint organisms |
| Common names | For many species, there are often regional differences in their |
| Radiant energy | energy carried by light |
| chemical energy | Energy stored in chemical bonds |
| Biogeochemical cycle | process in which elements, chemical compounds, and other forms of matter are passed from one organism to another |
| Trophic Levels of a Food chain | The levels of producers and consumers in a food chain |
| Nitrogen cycle | The transfer of nitrogen from the atmosphere to the soil, to living organisms, and back to the atmosphere |
| Water cycle | The continual movement of water among Earth's atmosphere, oceans, and land surface |
| Abiotic | Non-living |
| Biotic | living things |
| Global warming | An increase in the average temperature of the earth's atmosphere |
| Acidification | increase in the concentration of acid in oceans and soil |
| Biodiversity | the variety of life in the world or in a particular habitat or ecosystem |
| Carbon cycle | The organic circulation of carbon from the atmosphere into organisms and back again |
| Transpiration | Evaporation of water from the leaves of a plant |
| condenstation | the process by which a gas changes to a liquid |
| Precipitation | Any form of water that falls from clouds and reaches Earth's surface. |
| Transferring energy | when energy is passed through tropic levels |
| Producer | An organism that can make its own food. |
| Heterotroph | An organism that cannot make its own food |
| Consumer | An organism that obtains energy by feeding on other organisms |
| Decomposer | An organism that breaks down wastes and dead organisms |
| Autotroph/Producer | An organism that make its own food |
| Food chain | A series of steps in which organisms transfer energy by eating and being eaten |
| Food web | network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem |
| Ecosystems | interactions of all organisms plus abiotic factors at a given time and place |
| Community | All the different populations that live together in an area |
| Population | A group of individuals that belong to the same species and live in the same area |
| Competition | the struggle between organisms to survive in a habitat with limited resources |
| Predation | An interaction in which one organism kills another for food |
| Symbiotic relationship | close interaction between species in which one species lives in or on the other |
| Mutualism | A relationship between two species in which both species benefit |
| Commensalism | A relationship between two organisms in which one organism benefits and the other is unaffected |
| Parasitism | A relationship between two organisms of different species where one benefits and the other is harmed |
| Energy Use | Every organism takes in energy, converts it to useful forms, and expels energy |
| ultimate source of energy | sun |
| energy lost as | heat, movement, growth and repair, reproduction and wastes |
| Tertiary consumer | An organism that eats secondary consumers |
| Trophic Levels | producer, primary consumer, secondary consumer, tertiary consumer |
Created by:
justineforrest
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