biology vocabulary and definitions

Siderochromes: The compounds that are synthesized by the micro-organisms themselves, which are responsible for iron uptake. Rattle: Shed skin, which is often seen on tail of a rattlesnake, used to make a rattling sound in order to deter predators. Zymogenous Flora: Refers to micro-organisms that respond rapidly by enzyme production and growth when simple organic substrates become available. the structure, functioning, etc, of a particular organism or group of organisms. Basic Plumage: Among the bird species that molt only once a year, the basic plumage are those feathers they have on them throughout the year. Antibiotic: A chemical substance produced by a microorganism, which has the capacity to inhibit the growth of, or kill other micro-organisms. Food Web: A food web comprises a set of interconnected food chains which exist within an ecosystem. They do not have teeth. Elizabeth Martin and Robert Hine Next Edition: 7 ed. Vadose Zone: Unsaturated zone of soil which is above the groundwater, extending from the bottom of the capillary fringe to the soil surface. It is one of the main characteristics of archaebacteria. Bacterial Photosynthesis: A mode of metabolism, which is light-dependent and where carbon dioxide is reduced to glucose, which is used for energy production and biosynthesis. Acidophile: An organism that grows well in an acidic medium (up to a pH of 1). Rhizobacteria: Bacteria that are found in roots, where they aggressively colonize. Xenophobic Alliance: A union of individual chimpanzees in a group, which challenges intruders who threaten their territory and boundaries. Ames Test: A test that uses a special strain of salmonella to test chemicals for mutagenicity and carcinogenicity. Urohydrosis: A cooling mechanism practiced by some birds, in which they release feces or urine onto the scaly portions of their legs. Whereas, among species that molt twice annually, the basic plumage (in most cases) are the feathers that grow after the first complete molt, and is present at the time of the birds non-breeding season. Bioavailability: The extent to which a drug or other substance becomes available to the target tissue after administration. Muscle: Tissues that facilitate movement in animals. Read more on the structure and functions of cytoplasm. Growth Rate: The rate at which growth occurs. Light Compensation Point: The point where the rate of respiration is higher than the rate of photosynthesis, which usually occurs at about 1% of sunlight intensity. All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A Abdomen Tail Slapping: The forceful slapping of tails on the surface of water by dolphins. Common examples are that of, plant parts like leaves, fruits, flowers, and bark being separated from the plant. Diazotroph: Organism capable of using dinitrogen as its sole nitrogen source. Flight Feathers: Describes the stiff, large feathers of the tail and wings of a bird that are essential for flight. In snakes, they are used to inject venom into the victim. Ligand: A molecule, ion or group of molecules or ions, bound to the central atom by means of a chelate or coordination compound. Sheath: Tubular structure that is found either around a chain of cells or around a bundle of filaments. They are eukaryotic cells, meaning that they have a true nucleus and specialized structures called organelles that carry out different functions. Scape: A tiny stem like first segment in an insects antennae, as the shaft of a feather. Hydras, jellyfish, corals, and sea anemones belong to this group. It is the cavity that contains stomach, intestines, etc. WebOdyssey HIgH sCHOOL BIOLOgy VOCaBuLary These are the vocabulary words and definitions used throughout the Biology course. It is helpful in DNA sequencing. Generation Time: The time required for a population to double in number. It is also referred to as fowls comb and usually seen in the turkey family. Bioluminescence: The production of light in living organisms by the enzyme luciferase. Alternative Complement Pathway: A pathway of complement activation, including the C3-C9 components of the classical pathway. Test your spelling acumen. Meiosis results in the formation of gametes in animals and spores in other organisms. Baleen: Baleen whales are those whales that filter plankton for ingestion, out of large quantities of water. Microenvironment: The immediate physical and chemical surroundings of a microorganism. Alveolar Macrophage: A highly active and aggressive phagocytic macrophage, located on the epithelial lining of the lung alveoli, which ingests and destroys any inhaled particles and micro-organisms. Spermosphere: The area seen around a germinating seed, where there is increased microbiological activity. You also have the option to opt-out of these cookies. the basic structural and functional unit of all organisms cell membrane a thin membrane enclosing the cytoplasm of a cell cell wall a rigid layer of polysaccharides enclosing a plant membrane chromosome a threadlike strand of DNA that carries genes cytoplasm the substance inside a cell, not including the nucleus digestion Anus: An opening at the lower end of the digestive tract through which all solid waste is eliminated from the body. Cilia: Minute hairlike extensions present on a cell surface, which move in a rhythmic manner. Evolution: At the most basic level, evolution is change that takes place over time. Adaptation: Adaptation refers to the genetic mechanism of an organism to survive, thrive, and reproduce by constantly enhancing itself, by altering its structure or function, in order to become better suited to the changing environment. Phosphobacterium: Bacteria that are good at dissolving insoluble inorganic phosphate that is present in the soil. Pellicle: A rigid protein layer just below the cell membrane. Aves: A class of vertebrates comprising the entire bird family. Learn all the different biology terms for biology processes. These birds keep their young ones in this platform to keep them out of water and afloat. Basidioma: Fruiting body that produces the basidia. Accidental: Accidental refers to the occurrences or existence of all those species that would not be found in a particular region under normal circumstances. Corallum: The skeleton of a zoophyte, which can be calcareous or in the formation of horns. Anoxygenic Photosynthesis: A type of photosynthesis where oxygen is not produced. WebOdyssey HIgH sCHOOL BIOLOgy VOCaBuLary These are the vocabulary words and definitions used throughout the Biology course. Replication: Conversion of one double stranded DNA molecule into two identical double stranded DNA molecules. Microaggregate: Clusters of clay stabilized by organic matter and precipitated inorganic matter. 1 subscriber in the biologyideas community. Embryo: An animal or plant that is in its nascent stages of development and is usually still contained within the seed, egg, or uterus. Triangulation: The method used by animals to find out the distance between themselves and their prey using two or more fixed points. Definitions come in the form of a figure with accompanying text, a short video , or both. Magnetosome: Small particles of magnetite, which is a compound containing magnesium, present in cells that exhibit magnetotaxis. Rhizoplane: Plant root surface and strongly adhering soil particles. Blastomycosis: An infection caused due to Blastomyces dermatitidis, it predominantly affects skin, lungs, and bones. Colt: Male horse less than four years of age. Derepressible Enzyme: Enzyme produced in the absence of a specific inhibitory compound. It is located at the tip of the tail of birds. Seen in the bacterium Agrobacterium tunefaciens. Molt: Molt is a process where birds and animals shed their hair, plumage, feathers, skin, horns, etc. Bristles: Bristles are long, stiff strands of hair or feathers. It is mandatory to procure user consent prior to running these cookies on your website. Shell: A hard outer covering of an organism made up of carapace and plastron. WebBiology is a branch of science that deals with living organisms and their vital processes. Effective Population Size: The average size of a population expressed in terms of individuals assumed to contribute genes equally to the next generation; generally smaller than the actual size of the population, depending on the variation in the reproductive success among individuals. active transport - movement of molecules in cell membrane. Food Chain: The food chain is the transfer of life-giving energy from one organism to another, which is compatible to receive the same form of energy that was passed on, when the organism perished. Medium: A source where micro-organisms are grown. WebThe Bio-Dictionary helps you to understand common terms in biology. Xylophagous: Organisms that feed entirely or primarily on wood. It is also called the eardrum. Melanism: A condition characterized by a high level of concentration of melanin (black pigmentation) occurring in the coat, skin, or plumage of the animals. We are adding more terms! Spy Hopping: A vertical rise out of the water or tall grasses performed by certain cetaceans or land mammals respectively. WebBiology is the study of life. Particle Size: Effective diameter of a particle measured by sedimentation or micrometric methods. Uropygial Gland: This is the same as the Preen Gland. The air passing through the air sac aids in their breathing and temperature regulation. # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Show All New Videos # 5 and 3 Ends of DNA/RNA A Actin Action Potential Adenosine Triphosphate (ATP) Agarose Gel Electrophoresis spore. WebBiology is the scientific study of life and of living organisms. Nidicolous: The time spent in the nest after its hatched. It is acquired by humans through contaminated wool or animal products or by inhalation of airborne spores. Maxilla: A paired appendage usually located behind the mandibles of arthropods. Homolactic Fermentation: A type of lactic acid fermentation, in which all sugars involved are converted into lactic acid. They resemble fungi, and most are free living, particularly in soil. Neutralism: Lack of interaction between two organisms in the same habitat. Feedback Initiation: Inhibition by an end product of the biosynthetic pathway involved in its synthesis. Teichoic Acids: All wall, membrane, or capsular polymers containing glycerophosphate or ribitol phosphate residues. Discharges from septic tanks are passed through these trenches. the study of living organisms, including their structure, functioning, evolution, distribution, and interrelationships. While the organism is living, the ostracum is covered by layers of protein forming a periostracum. spore. linked genes Akinete: A resting non-motile, dormant, thick-walled spore state of cyanobacteria and algae. Frugivorous: Fruit-eating living being. Litter: The surface layer of forests which is laden with leaves, twigs, fruits etc. Caiman: A tropical American crocodilian amphibian, found in Central and South America. This may be the outcome of environmental changes, loss of habitat, or predation. A method usually adopted to do this is to lay eggs in another birds nest. Constitutive Enzyme: Enzymes synthesized in the cell, irrespective of the environmental conditions surrounding the cell. People involved in the science field encounter innumerable jargons during their study, research, or work. Apoptosis: A pattern of cell death which is often called programmed death or suicide of cells, wherein the cell breaks up into fragments, which are membrane bound. Sclerotium: Modified fungal hyphae that form a compact and hard vegetative resting structure with a thick pigmented outer rind. Detritus: Organic matter that is either freshly dead or partially decomposed. Plastron: The ventral surface of the shell of a tortoise or turtle. We are adding more terms! Luxury Uptake: Uptake of nutrients in excess of what is required by an organism for its normal growth. Xenobiotic: A compound that is foreign to the biological systems. Terminal Electron Acceptor: The last acceptor of the electron, as it exits the electron transport chain. Virion: The virus particle and the virus nucleic acid surrounded by a protein coat. Read more on animal adaptations. Telemorph: One of the stages of sexual reproduction, wherein cells are formed by meiosis and genetic recombination. Woronin Body: A spherical structure found in fungi belonging to the phylum Ascomycota, which are associated with the simple pore in the septa separating the hyphal compartments. Isolation: A procedure wherein a pure culture of an organism is obtained from a sample or an environment. Latest Edition (8 ed.) Pathogenicity: The ability of a parasite to infect or inflict damage on a host. Photophosphorylation: Synthesis of high energy phosphate bonds by the use of light as a source of energy. Allosteric Site: A non-active site on the enzyme body, where a non-substrate compound binds. Ecosystem Approach: This is a method of resource management that acknowledges that the different components of an ecosystem (structure, function, and species composition) are interlinked, and this factor must be taken into consideration, while restoring and protecting the ecosystems natural balance. Brilles: The German word for glasses, it is a transparent, immovable layer of scale/skin that covers the eyes of some creatures, such as snakes and lizards, and provides a protective layer. WebDefinitions of biology noun the science that studies living organisms synonyms: biological science see more noun characteristic life processes and phenomena of living organisms the biology of viruses see more noun all the plant and animal life of a particular region synonyms: biota see more Think youve got a good vocabulary? Conjugative Plasmid: A self transmissible plasmid, or a plasmid that can encode all functions required to bring about its conjugation. WebA Dictionary of Biology (6 ed.) It is spherical in shape and has rhizoids, which are short, thin filamentous branches, that resemble fine roots. It is calculated per individual, and is usually communicated as a function of age. gy -j plural biologies 1 : a branch of science that deals with living organisms and vital processes 2 a : the plant and animal life of a region or environment b / ( bald) /. Climograph: Annual cycle of temperature and rainfall for a particular geographical area depicted in a graphical format. Wing-Flicking: Rapid movement made by the birds wings when it is not in flight and is at rest. See molts. Inducible Enzyme: An enzyme generated in response to an external factor. Form a compact and hard vegetative resting structure with a thick pigmented outer rind Acceptor... Outer rind segment in an insects antennae, as it exits the electron transport chain insoluble inorganic phosphate is. Electron, as it exits the electron, as it exits the electron transport chain used to inject into! 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