adaptation

Variation

...vantageous. - Labs ( variation , forks and beans/ adaptation ; camouflage/NS) ... Full article >>> natural selection : the concept that random, small variation s take place in living things that lead to the gradual development of a species . Full article >>> Any warm-blooded a...

Trait

...er — increases fitness . Such trait s are adaptation s. Sexual Selection ... Full article >>> dominant trait A trait whose phenotype is determined by a single allele at a particular locus . dormant Having reduced metabolic and respiratory activity. Full article >>...

Tissue

...of hemoglobin to bind to oxygen decreases. An adaptation to release oxygen in the oxygen starved tissue s in capillaries where respiratory carbon dioxide lowers blood pH ... Full article >>> Ballistic particle-mediated gene transfer . Complementary DNA molecule s are adsorbed to ...

Survival of the fittest

...ival of the fittest "). To the extent that their adaptation s are inheritable, they will be passed on to their offspring . Full article >>> Since not all organ isms are equally well adapted to their environment , some will survive and reproduce better than others -- this is known as natural...

Survival

...eases chances of survival Explain how favorable adaptation s increase an organ ism's chance for survival Explain why increased genetic variation is advantageous. Full article >>> Life table. A table summarizing statistics of a population , such as survival and reproduction , all broke...

Species

...eases chances of survival Explain how favorable adaptation s increase an organ ism's chance for survival Explain why increased genetic variation is advantageous. Full article >>> Species : A group of individuals similar in structure and capable of interbreeding and producing fertile off...

Seed

... first. Full article >>> seed An adaptation for terrestrial plant s consisting of an embryo package d along with a store of food within a resistant coat. segregation ... Full article >>> seed ferns Fossil plant s with fernlike foliage but producing seeds belonging to...

Predation

... So it is not surprising to find many examples of adaptation s that ... Full article >>> Predation . The consumption of one organ ism by another Predator. An organ ism that consumes another living organ ism ( carnivores and herbivores are both predators by this definition) ... Full artic...

Persistence

...stor, we see that the various modification s are adaptation s of the plan to the special needs of the organ ism. Full article >>> (Greek: neos, young; teinein, to extend, stretch) The persistence in the reproductively-mature adult of character s usually associated with the immature organ i...

Parasite

...e ecological relationship resulting in reciprocal adaptation s as happens between host and parasite , and plant and insect. Cognate molecule ... Full article >>> An adjective, agreeing in case and gender with the genus : Allium sativum. A noun or adjective in the genitive. This is commo...

Parallel evolution

...lated (not part of a monophyletic group) due to adaptation to similar environment s and/or strategies of life. Full article >>> The essence, I think, of our current understanding of human evolution is that we should begin to look at some of these parallel groupings as cases of parallel ...

Package

... sperm head. Full article >>> An adaptation for terrestrial plant s consisting of an embryo package d along with a store of food within a resistant coat. segregation See Mendel 's first law. Full article >>> Delivery services other than the USPS, such as Federal Express...

Nonvascular plants

...inhabit the land but lack many of the terrestrial adaptation s of vascular plants . bronchus pl. bronchi (bronk-us, bronk- eye) [Gk. bronchos, windpipe] ... Full article >>>...

Natural selection

...of this concept). Full article >>> adaptation -- Change in a organ ism resulting from natural...ndividual locus . The correlated variation and adaptation present in two mutually dependent organ isms. Coalescence ... Full article >>> A pa...

Migration

...ed by migration among them, could contribute to adaptation s amongst population s. Wright also came up with the idea of the adaptive landscape -- an idea that remains influential to this day. Full article >>> The loss or gain of alleles from a population due to the e migration or im mi...

Lysis

...of genetics of natural population s and of the adaptation s of them to the environment . Ecology ... Full article >>> Genetic ana lysis has provided many insights about the aurochs. Though aurochs became extinct in Britain during the Bronze age, ... Full article >>> separat...

Liverworts

...inhabit the land but lack many of the terrestrial adaptation s of vascular plants . bronchus pl. bronchi (bronk-us, bronk- eye) [Gk. bronchos, windpipe] ... Full article >>> Hepatophyta - liverworts Anthocerophyta - hornworts Bryophyta - mosses vascular plants ( tracheophytes ) seedle...

Liver

...inhabit the land but lack many of the terrestrial adaptation s of vascular plants . bronchus pl. bronchi (bronk-us, bronk- eye) [Gk. bronchos, windpipe] ... Full article >>> sac near the liver in which bile is stored Source: Noland, George B. 1983. General Biology , 11th Edition. St. Lou...

Isozyme

... of the same enzyme ; thought to be important in adaptation to environment al extremes. iteroparity The production of offspring by an organ ism in successive bouts. Contrast with semelparity. Back to PAE Glossary ... Full article >>> isoenzyme s isozyme s . isomerases Enzymes that cat...

Inflorescence

...s, termed an inflorescence . Many flower s show adaptation s for insect pollination , bearing numerous white or yellow petal s. Full article >>>...

Host

...e ecological relationship resulting in reciprocal adaptation s as happens between host and parasite , and plant and insect. Cognate molecule ... Full article >>> scolex The head of a tapeworm, found at the anterior end. It has hooks and suckers for attachment to it's host . Covered in ...

Hemoglobin

...of hemoglobin to bind to oxygen decreases. An adaptation to release oxygen in the oxygen starved tissue s in capillaries where respiratory carbon dioxide lowers blood pH ... Full article >>> erythrocyte A red blood cell ; contains hemoglobin , which functions in trans porting o...

Helix-turn-helix

... cell s Helicase Helicobacter pylori[ genome ] [ adaptation to stomach ] Helix-turn-helix ... Full article >>> α helices have particular significance in DNA binding motif s, including helix-turn-helix motif s, leucine zipper motif s and zinc finger motif s. This is because of th...

Habitat

...oncentration. These organ isms must have special adaptation s to permit them to survive under these conditions. Full article >>> Habitat manipulation: Manipulation of agricultural areas and surrounding environment with the aim of conserving or augmenting population s of natural enemies (e....

Gymnosperms

...rms , their closest relatives are Gnetae. Two key adaptation s allowed them to displace gymnosperms as the dominant fauna -- fruits and flower s. Full article >>> seed plant Common term for gymnosperms and angiosperm s. seed - scale complex The spirally arranged scale s on a female ...

Gymnosperm

...m s , their closest relatives are Gnetae. Two key adaptation s allowed them to displace gymnosperm s as the dominant fauna -- fruits and flower s. Full article >>> Trans fer of pollen from the anther to the stigma in angiosperm s or from the microsporangium to the micropyle in ...

Frameshift Mutation

...codes for a functionally unrelated enzyme . This adaptation has been experimentally duplicated. Full article >>> For example, a +1 frameshift mutation located a short distance downstream from a -1 frameshift mutation can restore the reading frame of a protein and thereby allow produc...

Frameshift

...codes for a functionally unrelated enzyme . This adaptation has been experimentally duplicated. Full article >>> Most insertion s in a gene can cause a shift in the reading frame ( frameshift ) or alter splicing of the m RNA , both of which can significantly alter the gene product . I...

Evolution

...th production of a number of specialized forms by adaptation . See cladogenesis . Related Terms: Evolution ... Full article >>> Evolution and Population Genetics (for on campus) Evolution and Population Genetics (online lab version) Exploring the Size of Organ isms History of Life ...

Enzymes

...codes for a functionally unrelated enzyme . This adaptation has been experimentally duplicated. Full article >>> A family of enzymes , at least one for each amino acid , that catalyze the attachment of an amino acid to its specific t RNA molecule . ammonification ... Full article >...

Enzyme

...codes for a functionally unrelated enzyme . This adaptation has been experimentally duplicated. Full article >>> Ligase : An enzyme , T4 DNA ligase , which can link pieces of DNA together. The pieces must have compatible ends (both of them blunt, or else mutually compatible sticky ends...

Ectotherm

...at must use environment al energy and behavioral adaptation s to regulate its body temperature. Full article >>> ectotherm An organ ism whose internal temperature varies with that of the environment . Compare endotherm . ectotherm ic Having a variable body temperature derived from heat ac...

Ecosystems

...e ecosystems that support them. swim bladder An adaptation , derived from a lung , that enables bony fishes to adjust their density and thereby control their buoyancy. Full article >>> High-yield varieties of rice suitable for cultivation in Africa and other dry ecosystems called the new ri...

Ecological genetics

...of genetics of natural population s and of the adaptation s of them to the environment . Ecology ... Full article >>>...

Drosophila

... subobscura Drosophila (modern scientific Latin adaptation from Greek δρόσος, drsos, "dew", + φίλη phlē, "a female friend" + Latin femenine suffix -a) is a ... Full article >>> Drosophila melanogaster Meigen, 1830 Drosophila melanogas...

Division

...ss. The rapid division process allows for rapid adaptation to the changes in their environment . See also eukaryotic cells . Protomers: ... Full article >>> Cloning . The mitotic division of a progenitor cell to give rise to a population of identical daughter cell s or clones . (S...

Dispersal

... solved the problem in one way or another through adaptation s involving their fruit or seed . Full article >>> dispersal -- The scattering of organ isms of a species , often following a major reproductive event. Spore s and larva e are commonly dispersed into the environment . Full art...

Diffusion

...taxa, and to understand the spread of alternative adaptation s. (includes related information) Nature. Full article >>> In this overview we have hypothesized that production of high concentrations of NO can overcome the diffusion al barriers presented by the red cell and result in formation o...

Differentiation

...ed forms by differentiation , specialization and adaptation . See adaptive radiation . Full article >>> spermiogenesis The process of differentiation by which haploid spermatids are trans formed into mature sperm atozoa. Full article >>> implies a considerable degree o...

Cuticula

...n the surface of stems and leaves that acts as an adaptation to prevent desiccation in terrestrial plant s. Full article >>> tunic In tunica tes, a cuticula r, cellulose -containing covering of the body secreted by the underlying body wall. tunica tes Chordates that show the three basic ...

Cuticle

...n the surface of stems and leaves that acts as an adaptation to prevent desiccation in terrestrial plant s. Full article >>> cuticle Anoncellular, protective, organ ic layer secreted by the external epithelium (hypodermis) of many invertebrates ; refers to the epidermis or skin in higher...

Cladogenesis

...ed forms by differentiation , specialization and adaptation . See adaptive radiation . Full article >>> cladogenesis -- The development of a new clade ; the splitting of a single lineage into two distinct lineage s; speciation . Full article >>> Cladogenesis splitting o...

Biotechnology

... simplicity of the cre-lox system resulted in its adaptation in biotechnology to remove selectable marker genes from transgenic organ isms to prepare them for commercial release. Full article >>>...

Biome

...e pre dominant vegetation and character ized by adaptation s of organ isms to that particular environment . Full article >>> Biome a major regional biotic community of plant s and animals (bios = life) Biosphere all the living organ isms on Earth (bios = life; sphere = a ball) .....

Binary fission

...ss. The rapid division process allows for rapid adaptation to the changes in their environment . See also eukaryotic cells . Protomers: ... Full article >>> in Dictyostelium discoideum, the solitary haploid cell of the vegetative life cycle that lives on bacteria and reproduces by bin...

Angiosperm

...rms , their closest relatives are Gnetae. Two key adaptation s allowed them to displace gymnosperms as the dominant fauna -- fruits and flower s. Full article >>> Xylem (in angiosperm s) is composed of vessel elements and tracheids ( gymnosperm xylem consists only of tracheids )....

Allantois

...n, amnion , allantois and yolk sac) that are adaptation s of the terrestrial egg . Full article >>> allantois - extra- embryo nic membrane emerging as a sac from the hindgut's ventral wall; formed from the splanchnopleure (combination of endoderm and splanchnic mesoderm ). Full art...

Adaptive radiation

...th production of a number of specialized forms by adaptation . See cladogenesis . Related Terms: Evolution ... Full article >>> Adaptive radiation . The evolution of new species or sub- species to fill unoccupied ecological niche s. Aerobe . A microorganism that grows in the presence...

Adaptation

...ew environment . Full article >>> adaptation becoming fitted to an environment , or the mutua...by ... Full article >>> Search for adaptation in these other data bases too Definition of adaptation : In the evolution ary sense , some her...

Active transport

...f energy input and specific transport protein s. adaptation ... Full article >>> active transport A process that requires an expenditure of ATP energy to move molecule s across a cell membrane ; usually moved against the concentration gradient with the aid of specific transport protei...

Action

...ndividual locus . The correlated variation and adaptation present in two mutually dependent organ isms. Coalescence ... Full article >>> control action guideline. A guideline used to determine if pest control action is needed. control action threshold. Pest population level at which...