(updated April 5, 2012). the region of the body between the thorax and the pelvis, a hypothetical organic phenomenon by which living organisms are created from nonliving matter, a process in which one substance permeates another, the energy that an atomic system must acquire before a process (such as an emission or reaction) can occur, transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient; requires an expenditure of energy, any of the forms of a gene that can occupy the same locus, the alternation of two or more different forms in the life cycle of a plant or animal, the synthesis in living organisms of more complex substances (e.g., living tissue) from simpler ones together with the storage of energy, a substance used to kill microorganisms and cure infections, any substance that stimulates an immune response in the body, the part of the skeleton that includes the pectoral girdle and the pelvic girdle and the upper and lower limbs, reproduction without the fusion of gametes, a chamber connected to other chambers or passageways, the part of the skeleton that includes the skull and spinal column and sternum and ribs, the property of being symmetrical about a vertical plane, the total amount of living matter in a given unit area, major ecological community with distinct climate and flora, production of a chemical compound by a living organism, marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together, the fatty network of connective tissue that fills the cavities of bones, the branch of biology that studies plants, breakdown in living organisms of more complex substances into simpler ones together with release of energy, substance that initiates or accelerates a chemical reaction, a rigid layer of polysaccharides enclosing a plant membrane, a polysaccharide that is the chief constituent of all plant tissues and fibers, a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape, anterior portion of the brain consisting of two hemispheres, process determined by substances' composition and structure, component of arthropods' exoskeletons and bodies of fungi, any of green pigments found in photosynthetic organisms, plastid containing chlorophyll and other pigments, the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes, a threadlike strand of DNA that carries genes, the organs and tissues involved in circulating blood and lymph through the body, a specific sequence of three adjacent nucleotides on a strand of DNA or RNA that specifies the genetic code information for synthesizing a particular amino acid, when one organism benefits from another without damaging it, a group of people living in a particular local area, in insects and some crustaceans: composed of many light-sensitive elements each forming a portion of an image, the spatial property of being crowded together, the branch of biology that studies the structure and function of cells, pathological breakdown of cells by the destruction of their outer membrane, the substance inside a cell, not including the nucleus, a microscopic network of actin filaments and microtubules in the cytoplasm of many living cells that gives the cell shape and coherence, a plant having foliage that is shed annually at the end of the growing season, the process by which the body breaks down food, hybridization using two traits with two alleles each, an allele that produces the same phenotype whether its paired allele is identical or different, the environment as it relates to living organisms, organisms interacting with their physical environment, the outer granule-free layer of cytoplasm, a substance that cannot be separated into simpler substances, the inner portion of the cytoplasm of a cell, the internal skeleton; bony and cartilaginous structure, a small asexual spore that develops inside the cell of some bacteria and algae, occurring or formed with absorption of heat, the outer layer of skin covering the body surface, membranous tissue covering internal organs and other internal surfaces of the body, the bodily process of discharging waste matter, the exterior protective or supporting structure or shell of many animals (especially invertebrates) including bony or horny parts such as nails or scales or hoofs, breaking down an organic substance, as sugar into alcohol, whip or scourge; punish as if by whipping, the pedal extremity of vertebrates other than human beings, the ripened reproductive body of a seed plant, the physically discrete element that Darwin proposed as responsible for heredity, part of DNA controlling physical characteristics and growth, the study of heredity and variation in organisms, the alleles at specified loci present in an organism, the period during which an embryo develops, a gland in which gametes (sex cells) are produced, warming when solar radiation is trapped by the atmosphere, a root-like attachment in parasitic plants that penetrates and obtains food from the host, the resting state in which some animals pass the winter, restraint that attaches to something or holds something in place, metabolic equilibrium maintained by biological mechanisms, a chemical bond consisting of a hydrogen atom between two electronegative atoms (e.g., oxygen or nitrogen) with one side be a covalent bond and the other being an ionic bond, a chemical reaction in which water reacts with a compound to produce other compounds; involves the splitting of a bond and the addition of the hydrogen cation and the hydroxide anion from the water, any of the threadlike filaments forming the mycelium of a fungus, a tentative insight that is not yet verified or tested, hereditary succession to a title or an office or property, a solution having the same osmotic pressure as blood, the appearance of the chromosomal makeup of a somatic cell in an individual or species (including the number and arrangement and size and structure of the chromosomes), a rich soil consisting of sand, clay and organic materials, an organelle found in the cytoplasm of most cells, evolution on a large scale extending over geologic era and resulting in the formation of new taxonomic groups, a sleeveless garment like a cloak but shorter, one of two forms that coelenterates take: it is the free-swimming sexual phase in the life cycle of a coelenterate; in this phase it has a gelatinous umbrella-shaped body and tentacles, cell division in sexually reproducing organisms, a sheet of tissue that lines or connects organs or cells, mesodermal tissue that forms connective tissue and blood and smooth muscles, the organic processes that are necessary for life, evolution resulting from small specific genetic changes that can lead to a new subspecies, the process by which a cell divides into two smaller cells, a representation of something, often on a smaller scale, hybridization using a single trait with two alleles, cell from which another cell of an organism develops, a change or alteration in form or qualities, the relation between two organisms that benefit each other, the vegetative part of a fungus consisting of a mass of branching threadlike hyphae, the sensory and control apparatus consisting of a network of nerve cells, a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates, a part of the cell responsible for growth and reproduction, diffusion of molecules through a semipermeable membrane, the earth science that studies fossil organisms, an animal or plant that lives in or on a host, when one organism benefits from another by causing damage, transport of a substance across a cell membrane by diffusion, thin protective membrane in some protozoa, the primary linkage of all protein structures, process in which phagocytes engulf and digest microorganisms and cellular debris; an important defense against infection, any distinct time period in a sequence of events, observable characteristics produced by genes and environment, plant tissue that conducts synthesized food substances, any of various compounds composed of fatty acids and phosphoric acid and a nitrogenous base; an important constituent of membranes, formation of compounds in plants aided by radiant energy, an organism's orienting response to light, a change from one state (solid or liquid or gas) to another without a change in chemical composition, the science dealing with the functioning of organisms, photosynthetic or plant constituent of plankton, the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus, aggregate of small organisms that float or drift in water, a thin membrane enclosing the cytoplasm of a cell, a small cellular inclusion consisting of a ring of DNA that is not in a chromosome but is capable of autonomous replication, the fine spores that contain male gametes and that are borne by an anther in a flowering plant, transfer of the fine spores that contain male gametes, a small vascular growth on the surface of a mucous membrane, the people who inhabit a territory or state, temporary outgrowth of a cell used for locomotion or feeding, an allele that produces its characteristic phenotype only when its paired allele is identical, the act of forming again; renewing and reconstituting, a single complete act of breathing in and out, an organism that feeds on dead organic matter especially a fungus or bacterium, the organic process of releasing some substance, a mature fertilized plant ovule consisting of an embryo and its food source and having a protective coat or testa, a membrane (as a cell membrane) that allows some molecules to pass through but not others, reproduction involving the union or fusion of a male and a female gamete, the material that forms the hard outer covering of many animals, taxonomic group whose members can interbreed, a small usually single-celled asexual reproductive body produced by many nonflowering plants and fungi and some bacteria and protozoans and that are capable of developing into a new individual without sexual fusion, a spore-bearing branch or organ: the part of the thallus of a sporophyte that develops spores; in ferns and mosses and liverworts is practically equivalent to the sporophyte, a horizontal branch from the base of plant that produces new plants from buds at its tips, the relation between two interdependent species of organisms, a classification of organisms based on similarities, a plant body without true stems or roots or leaves or vascular system; characteristic of the thallophytes, the body of an arthropod between the head and the abdomen, the process whereby a transducer accepts energy in one form and gives back related energy in a different form, the act of changing in form or shape or appearance, the transport of dissolved material within a plant, the emission of water vapor from the leaves of plants. This list is also a great resource for helping students prepare for the Science STAAR Test. Displaying top 8 worksheets found for - Biology Vocabulary. injection of weakened or dead microbes to create antibodies, a tiny cavity filled with fluid in the cytoplasm of a cell, a chamber of the heart that receives blood from an atrium, infectious agent that replicates itself within living hosts, a ridge of land that separates two adjacent river systems, plant tissue that conducts water and dissolved nutrients, a plant spore formed by two similar sexual cells, the cell from the union of a haploid spermatozoon and ovum, Created on March 15, 2012 0000005537 00000 n -z 7. A good rule of thumb to keep in mind when determining if you can define/describe these terms is whether or not you can explain them to a (reasonably) intelligent 12-year-old. Start a Jam and invite your friends and classmates to join. 179 words relating to Biology 0000005840 00000 n Beat your last streak, or best your overall time. This is a list of all biology terms we have at this moment. "jA�σ�$�����7\O�P'�4OԆ��OTkL�5��3�(G4Hr��� 0000002283 00000 n The list includes the vocabulary word with a picture and the definition of the word. A vocabulary list featuring Biology. Wherever possible we have used the definitions derived from a booklet created in a joint project of the Association for Science Education and the Nuffield Foundation, The Language of 1. tissue the central, essential, or highly concentrated part around which other parts are grouped.