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- 18:47, 16 February 2011 (diff | hist) . . (+47) . . N CAM plants (Created page with "C4 plants that take up carbon dioxide at night.") (current)
- 18:46, 16 February 2011 (diff | hist) . . (+53) . . N Calyx (Created page with "The sepals that form the outermost whorl of a flower.") (current)
- 18:46, 16 February 2011 (diff | hist) . . (+290) . . N Calvin cycle (Created page with "The cycle that includes carbon fixation, reduction and carbohydrate production, and regeneration of ribulose bisphosphate (RuBP). During this process, ATP is used as a source of ...") (current)
- 18:46, 16 February 2011 (diff | hist) . . (+89) . . N Calorie (Created page with "The amount of heat required to raise the temperature of 1 gram of water 1 degree Celsius.") (current)
- 18:45, 16 February 2011 (diff | hist) . . (+97) . . N Callose (Created page with "A carbohydrate that plays crucial roles in plant development and plugging wounds in plant phloem.") (current)
- 18:45, 16 February 2011 (diff | hist) . . (+83) . . N Cadherin (Created page with "A cell adhesion molecule found in animal cells that promotes cell-to-cell adhesion.") (current)
- 18:45, 16 February 2011 (diff | hist) . . (+136) . . N C4 plant (Created page with "A plant that uses PEP carboxylase to initially fix CO2 into a four-carbon molecule and later uses rubisco to fix CO2 into simple sugars.") (current)
- 18:45, 16 February 2011 (diff | hist) . . (+107) . . N C3 plant (Created page with "A plant that can incorporate CO2 into organic molecules only via RuBP to make 3PG, a three-carbon molecule.") (current)
- 18:44, 16 February 2011 (diff | hist) . . (+76) . . N Bulk flow (Created page with "The mass movement of liquid in a plant caused by pressure, gravity, or both.") (current)
- 18:44, 16 February 2011 (diff | hist) . . (+118) . . N Bulbourethral glands (Created page with "Paired accessory glands that secrete an alkaline mucus that protects sperm by neutralizing the acidity in the urethra.") (current)
- 18:44, 16 February 2011 (diff | hist) . . (+131) . . N Buffer (Created page with "A compound that acts to minimize pH fluctuations in the fluids of living organisms. Buffer systems can raise or lower pH as needed.")
- 18:44, 16 February 2011 (diff | hist) . . (+119) . . N Budding (Created page with "A form of asexual reproduction in which a portion of the parent organism pinches off to form a complete new individual.") (current)
- 18:44, 16 February 2011 (diff | hist) . . (+63) . . N Bud (Created page with "A miniature plant shoot having a dormant shoot apical meristem.") (current)
- 18:43, 16 February 2011 (diff | hist) . . (+237) . . N Buccal pumping (Created page with "A form of breathing in which animals open their mouths to let in air and then close and raise the floor of the mouth, creating a positive pressure and pumping water or air across...") (current)
- 18:43, 16 February 2011 (diff | hist) . . (+70) . . N Bryophytes (Created page with "Liverworts, mosses, and hornworts, the modern nonvascular land plants.") (current)
- 18:43, 16 February 2011 (diff | hist) . . (+181) . . N Brush border (Created page with "The combination of villi and microvilli in the small intestine, which increase the surface area about 600-fold over that of a flat-surfaced tube having the same length and diameter.") (current)
- 18:42, 16 February 2011 (diff | hist) . . (+213) . . N Brown fat (Created page with "A specialized tissue in small mammals, such as hibernating bats, small rodents living in cold environments, and many newborn mammals, including humans, that can help to generate ...") (current)
- 18:42, 16 February 2011 (diff | hist) . . (+91) . . N Bronchodilator (Created page with "A compound that binds to the muscles around bronchioles and causes them to relax and widen.") (current)
- 18:41, 16 February 2011 (diff | hist) . . (+119) . . N Bronchiole (Created page with "A thin-walled, small tube that can dilate or constrict to prevent foreign particles from reaching delicate lung tissue.") (current)
- 18:41, 16 February 2011 (diff | hist) . . (+82) . . N Brassinosteroid (Created page with "One of several plant hormones that help a plant to cope with environmental stress.") (current)
- 18:41, 16 February 2011 (diff | hist) . . (+98) . . N Brain (Created page with "The structure in the head of animals that controls sensory and motor functions of the entire body.") (current)
- 18:41, 16 February 2011 (diff | hist) . . (+153) . . N Brain hormone (Created page with "Produced by specialized nerve cells in some insects and other invertebrates, it stimulates the prothoracic glands to secrete ecdysone and cause moulting.") (current)
- 18:40, 16 February 2011 (diff | hist) . . (+85) . . N Bowman's capsule (Created page with "A sac at the beginning of the tubular component of a nephron in the mammalian kidney.")
- 18:40, 16 February 2011 (diff | hist) . . (+152) . . N Bottleneck effect (Created page with "A form of genetic drift in which a population size is dramatically reduced and then rebounds. Genetic drift is common when the population size is small.") (current)
- 18:39, 16 February 2011 (diff | hist) . . (+184) . . N Body mass index (BMI) (Created page with "A method of assessing body fat and health risk that involves calculating the ratio of weight compared with height; weight in kilograms is divided by the square of the height in m...") (current)
- 18:39, 16 February 2011 (diff | hist) . . (+152) . . N Blood-doping (Created page with "An example of hormone misuse in which the number of red blood cells in the circulation is boosted to increase the oxygen-carrying capacity of the blood.") (current)
- 18:39, 16 February 2011 (diff | hist) . . (+69) . . N Blood vessels (Created page with "A system of hollow tubes within the body through which blood travels.") (current)
- 18:39, 16 February 2011 (diff | hist) . . (+125) . . N Blood pressure (Created page with "The force exerted by blood on the walls of blood vessels; blood pressure is responsible for moving blood through the vessels.") (current)
- 18:38, 16 February 2011 (diff | hist) . . (+272) . . N Blood (Created page with "A fluid connective tissue consisting of cells and (in mammals) cell fragments suspended in a solution of water containing dissolved nutrients, proteins, gases, and other molecule...")
- 18:38, 16 February 2011 (diff | hist) . . (+201) . . N Blending inheritance (Created page with "An early hypothesis of inheritance that stated that the seeds that dictate hereditary traits blend together from generation to generation, and the blended traits are then passed ...") (current)
- 18:38, 16 February 2011 (diff | hist) . . (+90) . . N Blastula (Created page with "An animal embryo at the stage when it forms an outer epithelial layer and an inner cavity.") (current)
- 18:37, 16 February 2011 (diff | hist) . . (+142) . . N Blastopore (Created page with "A small opening created when a band of tissue invaginates during gastrulation. It forms the primary opening of the archenteron to the outside.")
- 18:37, 16 February 2011 (diff | hist) . . (+80) . . N Blastomeres (Created page with "The two half-size daughter cells produced by each cell division during cleavage.") (current)
- 18:37, 16 February 2011 (diff | hist) . . (+111) . . N Blastoderm (Created page with "An early stage of embryonic development in animals that is composed of a mass of cells with an internal cavity.") (current)
- 18:37, 16 February 2011 (diff | hist) . . (+40) . . N Blastocyst (Created page with "The mammalian counterpart of a blastula.") (current)
- 18:36, 16 February 2011 (diff | hist) . . (+211) . . N Blastocoel (Created page with "A cavity created when an embryo takes up water after the formation of the outer epithelial layer; it provides a space into which cells will migrate to form the digestive tract an...") (current)
- 18:36, 16 February 2011 (diff | hist) . . (+32) . . N Blade (Created page with "The flattened portion of a leaf.") (current)
- 18:36, 16 February 2011 (diff | hist) . . (+85) . . N Bivalent (Created page with "Homologous pairs of sister chromatids associated with each other, lying side by side.") (current)
- 18:36, 16 February 2011 (diff | hist) . . (+102) . . N Bipolar cells (Created page with "Cells in the eye that make synapses with the photoreceptors and relay responses to the ganglion cells.") (current)
- 18:35, 16 February 2011 (diff | hist) . . (+39) . . N Bipedal (Created page with "Having the ability to walk on two feet.") (current)
- 18:35, 16 February 2011 (diff | hist) . . (+101) . . N Biparental inheritance (Created page with "A pattern in which both the male and the female gametes contribute particular genes to the offspring.") (current)
- 18:34, 16 February 2011 (diff | hist) . . (+55) . . N Biotic (Created page with "The term used to describe interactions among organisms.") (current)
- 18:34, 16 February 2011 (diff | hist) . . (+82) . . N Biotechnology (Created page with "The use of living organisms or the products of living organisms for human benefit.") (current)
- 18:34, 16 February 2011 (diff | hist) . . (+98) . . N Biosynthetic reaction (Created page with "Also called an anabolic reaction; a chemical reaction to make larger molecules and macromolecules.") (current)
- 18:34, 16 February 2011 (diff | hist) . . (+72) . . N Biosphere (Created page with "The regions on Earth and in the atmosphere where living organisms exist.") (current)
- 18:33, 16 February 2011 (diff | hist) . . (+121) . . N Bioremediation (Created page with "The use of living organisms, usually microbes or plants, to detoxify polluted habitats, such as dump sites or oil spills.") (current)
- 18:33, 16 February 2011 (diff | hist) . . (+75) . . N Biome (Created page with "A major type of habitat characterized by distinctive plant and animal life.")
- 18:33, 16 February 2011 (diff | hist) . . (+132) . . N Biomass (Created page with "A quantitative estimate of the total mass of living matter in a given area, usually measured in grams or kilograms per square metre.")
- 18:33, 16 February 2011 (diff | hist) . . (+119) . . N Biomagnification (Created page with "The increase in the concentration of a substance in living organisms with each increase in trophic level in a food web.")
- 18:32, 16 February 2011 (diff | hist) . . (+87) . . N Bioluminescence (Created page with "A phenomenon that results from chemical reactions that give off light rather than heat.") (current)
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