Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Biology B Words
Praxis study
| Term | Definition |
|---|---|
| bacteria | one of the three domains of life; containing single-celled parokaryotes in the kingdom Bacteria |
| bacteriophage | virus that infects bacteria |
| bacterium | organism that is within the kingdom Bacteria |
| base | compound that accepts a proton (H+) when dissolved in solution |
| base pairing rules | rule that describes how nucleotides form bonds in DNA; adenine (A)- always bonds with thymine (T) and guanine (G) always bonds with with cytonsine (C) |
| bathyal zone | zone of the ocean that extends from the edge of the neritic zone to the base of the continental shelf |
| B cell | white blood cell that matures in the bone marrow and produces antibodies that fight off infection; also called B-lymphocyte |
| behavioral isolation | isolation between populations due to differences in courtship or mating behavior |
| benign | having no dangerous effect on health, especially referring to an abnormal growth of cells that are not cancerous |
| benthic zone | lake or pond bottom, where little to no sunlight can reach |
| bilateral symmetry | body plan of some organizms in which the body can be divided equally along only one plane |
| bile | fluid released by the liver and gallbladder into the small intestine that aids in the digestion and absorption of fats |
| binary fission | asexual reproducation in which a cell divides into two equal parts |
| binomial nomenclature | naming system in which each speciaes is given a two-part scientific name (genus and species) using latin words |
| biodiversity | varitey of life within an area |
| biogeochemical cycle | movement of a chemical through the bilogical and geological, or living and nonliving, parts of an ecosystem |
| biogeography | study of the distribution of organisms around the world |
| bioinformatics | use of computer databases to organize and analyze biolgical data |
| biological clock | internal mechanism that controls an animal's activity patterns |
| biology | scientific study of forms of life |
| biomagnification | condition of toxic substances being more concentrated in tissues of organisms higher on the food chain than ones lower in the food chain |
| biomass | total dry mass of all organisms in a given area |
| biome | regional or global community of organisms characterized by the climate conditions and plant communities that thrive there |
| bioremediation | process by which humans use living things to break down pollutants |
| biosphere | all orgnaisms and the part of Earth where they exist |
| biota | collection of living things |
| biotechnology | use and application of living things and biological processes |
| biotic | living things such as plants, anmials, fungi, and bacteria |
| bipedal | animal that walks on two legs |
| blade | broad part of a leaf where most of the photosynthesis of a plant take place |
| blastocyst | stage of development during which the zygote consistes of a ball of cells |
| blood pressure | force with which blood pushes against the wall of an artery |
| bond energy | amount of energy needed to break a bond between two particular atoms; or the amount of energy released when a bond forms between two particular atoms |
| book lung | respiratory organ that has several membranes that are arranged like the pages in a book |
| botany | study of plants |
| bottleneck effect | gentic drift that results from an event that drastically reduces the size of population |
| brain stem | structure that connects the brain to teh spinal cord and controls breathing and heartbeat |
Created by:
mitromar
Popular Biology sets