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biology
68 words
| Term | Definition |
|---|---|
| prokaryote | unicellular organisms |
| unicellular | having or consisting of only one cell |
| pasteurizaton | partial sterilization at a temperature that destroys harmful microogranisms without major changes in the chemistry of the food. |
| white blood cells | large , nucleated blood cells |
| binary fusion | asexual reproductive process in which one cell divides into two separate genetically identical cells |
| antibiotic | substances produced by microorganicms |
| antigen | foreign substances that stimulate an immune response in the body |
| contractile vacuole | a sub-cellular structure involved in osmoregulation |
| saprophyte | an organism that feed, absorbs or grows on decaying organic matter |
| filament | threadlike structure |
| ovary | in plants, the bottom portion of the flowers pistil that contains one or more ovules each containing one egg |
| bilateral | animals with a body plan that can be divided down its length into similar right and left halves that form mirror images of each other. |
| hermaphrodite | an organism that has organs normally associated are often located. |
| anterior | head end of bilateral animals where sensory organs are often located |
| endothermic | animal that maintains a constant body temperature and is not dependent on a environmental temperature. |
| vascular | pertaining to blood vessels or indicative of a coplous blood supply. |
| stomata | openings in leaf tissues that control gas exchange. |
| xylem | vascular plant tissue composed of tubular cells that transport water and dissolved materials from the roots to the rest of the plant. |
| eukaryote | unicellularr or multicellular organisms |
| multicellular | having or consistinng of may cells or more than one cell to perform all vital functions |
| decomposer | breaks down dead matter |
| interferon | host-cell specific proteins that protect cells from viruses |
| conjugation | form of sexual reproduction in some bacteria where one bacteria transfers all or part of its genetic material to another through a bridge-like structure called a pilus. |
| refrigeration | the act of cooling or reducing fever |
| passive immunity | a type of immunity acquired by the transfer of antibody from one individual to another, such as from mother to offspring |
| vector | means by which DNA from another species can be carried into the host cell; may be biological or mechanical |
| sepal | leaflike, usually green structures encircle the top of a flower stem below the petals. |
| pistil | female reproductive organ of a flower. |
| pollination | from male reproductive organs to female reproductive organs of plants, usually within the same species. |
| radial | an animal's body plan that can be divided along any plane, through a central axis, into roughly equal halves. |
| dorsal | upper surface of bilaterally symmetrical animals. |
| primitive | undeveloped or in early stages of development, differentiated. |
| monotreme | subclass of mammals that have hair and mammary glands but reproduce by laying eggs. |
| nonvascular | plants that do not have vascular tissue |
| guard cell | cells that control the opening and closing of the stomata; regulate the flow of water vapor from leaf tissue |
| phloem | vascular plant tissue made up of tubular cells joined end to end; transports sugars to all parts of the plants. |
| asexual reproduction | type of reproduction where one parent produces one or more identical offspring without the fusion of gametes. |
| species | group organisms that can interbreed and produce fertile offspring in nature |
| pseudopodia | in protozoans, cytoplasm- containing extensions of the plasm membrane; aid in locomotion and feeding. |
| carolus linnaeus | swedish botanist who proposed the modern system of biological nomenclature |
| flagella | long projections composed of microtubules; found on some cell surfaces; they help propel cells and organisms by a whiplike motion |
| disinfectant | an agent that disinfects, applied particularly to agents used on inanimate objects |
| active immunity | a type of immunity or resistance developed in an organism by its own production of antibodies in response to an exposure to an antigen, a pathogen, or to a vaccine |
| heterotroph | organisms that cannot make their own food and must feed on other organisms for energy and nutrients |
| stamen | male reproductive organ of a flower consisting of another and a filament |
| stigma | the pollen-receptive surface of a carpel or group of fused carpels, usually sticky |
| fertilization | fusion of male and female gametes |
| budding | type of sexual reproduction in unicellular yeasts and some other organisms in which a cell or group of cells pinch off from parent to form a new individual |
| ventral | lower surface of bilaterally symmetric animals |
| advanced(complex) | the act of advancing or moving forward or upward; process |
| marsupial | subclass of mammals in which young develop for a short period in the uterus and complete their development outside of the mother's body inside a pouch made of skin and hair. |
| mesophyll | photosynthetic tissue of a leaf |
| cutical | protective, waxy coating on the outer surface of the epidermis of most stems and leaves; important adaptation in reducing water loss |
| sexual reproduction | pattern of reproduction that involves the production and subsequent fusion of haploid sex cells |
| genus | first word of a two-part scientific name used to identify a group of similar species |
| cilia | short, numerous, hairlike projections composed of pairs of microtubules; frequently aid in locomotion |
| vaccines | substance consisting of weakened, dead, or incomplete portions of pathogens or antigens that produce an immune response with injected into the body |
| parasite | symbiotic relationship in which one organism benefits at the expense of another, usually another species |
| antibodies | proteins in the blood plasma produced in reaction to antigens that react with and disable antigens |
| sessile | organism that is permanently attached to a surface |
| autotroph | organisms that use energy from the sun or energy stored in chemical compounds to manufacture their own nutrients |
| anther | pollen-producing structure located at the tip of a flower's stamen |
| style | an elongated part of a carpel, or group of fused carpels, between the ovary and the stigma |
| symmetry | a term that describes the arrangement of body structures |
| regeneration | replacement or regrowth of missing body parts |
| posterior | tail end of bilaterally symmetric animals |
| exothermic | describes a chemical reaction that releases energy |
| placental | organ that provides food and oxygen to and removes waste from young inside the uterus of placental mammals |
Created by:
jodypruitt
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