spore

Zygospore

zygospore spore formed by the union of two gametes (male and fe...pore forms sporangia, where meiosis occurs and spore s form. Full article >>> zygospore A thick-walled, resistant spore resulting from...

Unicellular

...dual either directly or after fusion with another spore . Conjugation ... Full article >>> unicellular ( cytoplasm ic) organ ization The life-form in which all functions are carried out within the confines of a single plasma membrane ; members of the kingdom Protista display unic...

Tracheophytes

...2; microspore The smaller of the two types of spore produced by ferns and higher plant s, giving rise to the male gametophyte . In Tracheophytes the microspore is the pollen grain . Covered in Lab 8 Seed Plant Reproduction ... Full article >>>...

Tracheae

...lural: sporangia). A structure in which asexual spore s are produced. Full article >>>...

Trachea

...lural: sporangia). A structure in which asexual spore s are produced. Full article >>> Spiracles : The external openings of the insect breathing ( trachea l) system, found along the abdomen . Full article >>> Cells lining the human upper respiratory tract are ciliated...

Stroma

...le >>> stroma . A compact, usually spore -producing structure formed from fungal mycelium on the surface of a host . Full article >>> stroma thylakoid A thylakoid that does not occur in a granum; connects separate grana . stroma The matrix between the grana in ...

Strand

... mycelium and reproduces through dispersal of spore s. G Index ... Full article >>>...

Stem

...e functions to reproduce the species : a seed , spore , stem or root cutting, etc. Full article >>>...

Stalk

...attached. sporangium -- A chamber inside of which spore s are produced through meiosis . sporophyll -- Any leaf which bears sporangia is called a sporophyll. Full article >>> The c-ring is tightly attached to the asymmetric central stalk (consisting primarily of the gamma subunit) whic...

Sporophyte

sporophyte spore -bearing ( asexual ) generation in plant s that e... gametes and that meiotically produces haploid spore s that grow into the gametophyte ... Full article >>> sporophyte The diploid , ...

Spore

... which by cell division s, produces usually four spore s Source: Noland, George B. 1983. General Biology...62; Spore s produced in a sporic life cycle. A spore is a biological term for a reproductive mechanism, usually haploid and unicellular , that is ada...

Sporangiophore

...attached. sporangium -- A chamber inside of which spore s are produced through meiosis . sporophyll -- An...e A fungal hypha bearing one or more sporangia. spore In the life cycle of a plant or alga undergoing alternation of generations, a meiotically produc...

Spirilla

...herical spirilla : curved walls ability to form spore s method of energy production ( glycolysis for anaerobe s, cellular respiration for aerobe s nutrition al requirements re action to the Gram stain. Full article >>> Bacteria typically have one of three shapes: rods ( bacill...

Species

...t a control action is intended to destroy. telio spore . Thick-walled dark spore of rust and smut fungi that is able to survive adverse conditions. Full article >>> ...

Sorus

...rangia developed on the underside of sporophylls ( spore -bearing leaflets ) of the sporophyte generation of a fern. Covered in Lab 7 Thalloid and Vascular Plant Organ ization" ... Full article >>> Sorus Southern blot Speciation Species Taxonomic category consisting of a group o...

Slime molds

... unicellular , multicellular, fungus like (form spore s) and protozoa nlike (amoeboid) stages. Full ar...ds is very similar to that of fungi . Haploid spore s germinate to form swarm cells or myxamoebae. These fuse in a process referred to as plasmogamy a...

Sister Chromatids

... chromosomes (a haploid set) are wrapped up in spore s. Full article >>>...

Sister chromatid

... chromosomes (a haploid set) are wrapped up in spore s. Full article >>>...

Similarity

.... homospory The possession of only one form of spore . This gives rise to a single gametophyte generation carrying both male and female reproductive organ s. Full article >>> This level of similarity is something that we use to infer that the genes are homologous, that is they have ...

Sexual

.... Full article >>> ascospores . A spore produced within the saclike cell of the sexual state of a fungus . auricle. A small earlike projection from the base of a leaf or petal . available water. The amount of water held in the soil that can be extracted by plant s. Full articl...

Seed plant

...e heterosporous ; that is, produced two kinds of spore s. Full article >>> seed plant s r... gametophyte on the sporophyte Spore s/Pollen spore s for resisting environment al degradation ... Full article >>> seed plant Common ...

Seed

...sperm atozoa. Full article >>> endo spore - seed -like structure; formed to preserve life when conditions turn bad ... Full article >>> Federal Seed Act. See U.S. Department of Agri culture . FIFRA . The Federal Insecticide, Fungicide , and Rodenticide Act. See Environm...

Reproduction

...rough cell rupture, cell division , budding , spore formation, conjugation or parthenogenesis . Full article >>> Reproduction Drosophila melanogaster egg "The female fruit fly lays batches of between 15 and 20 white eggs each day. Full article >>> reproduction ...

Reduction

...ivision process by which haploid gametes and spore s are formed, consisting of a single duplication ... generations, the products of meiosis are caled spore s. Full article >>> Mitosis The normal process of nuclear division in a eukaryo...

Pollen grain

... develop. Full article >>> minute spore that grows into a male gametophyte ; in seed plant s the microspore is the young pollen grain Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby What Topic Is Your BIOLOGY Paper On? Full article >...

Pathogenic

...e laboratory. Full article >>> non- spore forming rod shaped bacteria that fermet lactose in EC medium with gas production within 24h at 44.5 degrees C. A measure of bacteria mostly origin ating from guts that enter waters. Believed to be correlated with disease-causing ( pathogenic ) ...

Pathogen

...e laboratory. Full article >>> non- spore forming rod shaped bacteria that fermet lactose in EC medium with gas production within 24h at 44.5 degrees C. A measure of bacteria mostly origin ating from guts that enter waters. Believed to be correlated with disease-causing ( pathogen ic ...

Parasites

...#62;>> Non-motile parasites that form spore s e.g. Plasmodium The plant -like algae produce energy through photosynthesis . They include many single-celled creatures that are also considered protozoa , such as Euglena. Full article >>> the study of parasites and their rel...

Ovules

... flower having carpel s but no stamen s. carpo spore spore s produced by the carpo sporophyte form of red algae ... Full article >>> 1) In f...

Origin

...d gametes (in animals ) or haploid sexual spore s (in plant s and fungi ) having one-half of the genetic material of the origin al cell . Full article >>> Native (insect or plant ): Of local origin , not intentionally or accidentally introduced. Natural control: The suppres...

Organ

...ull article >>> Well, the organ ic spore s, I'm not really familiar with how they use those, because they don't use them a lot in this particular area because of the lower incidence of corn borer. Full article >>> This is illustrated clearly by the nematode worm Caenorhabditi...

Neurospora crassa

...ed bread mold. Like all fungi , it reproduces by spore s. It produces two kinds of spore s: ... Full article >>> Neurospora crassa is a type of red bread mold of the phylu...

Moss

...to humidity, and will alter their shape to aid in spore dispersal . Full article >>> Colin Watts1, Daniela Mazzeo, Michelle A.West, Stephen P.Matthews,Doreen Keane,Garth Hamilton, Linda V.Persson, Jennifer M.Lawson, Bndicte Manoury and Catherine X. Moss ... Full article >>>...

Microsporangium

microsporangium a spore case containing microspore s Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> microsporangium The structure (sporangium) in which microspore s are produced. microspo...

Microspore

microspore minute spore that grows into a male gametophyte ; in seed pl... s which are heterosporous , the smaller kind of spore is called a microspore ; it usually germinates into a male ( sperm -producing) gametophyte . Cont...

Metazoa

...complexa n parasites . Sexual reproduction and spore formation occurs within this cyst. Full article >>> Possessing three germ layers: the endoderm , mesoderm , and ectoderm . Most eu metazoa are triploblastic. trophic level [Gk. trophos, feeder] ... Full article >>> ...

Meiosis

...ivision process by which haploid gametes and spore s are formed, consisting of a single duplication of the genetic material followed by two mitotic division s. Full article >>> meiosis A type of nuclear division associated with sexual reproduction , producing four haploid ce...

Megasporangium

megasporangium a spore -bearing structure that bears megaspore s that develop into megagametophyte s Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> megasporangium Sporangium that contains ...

Megaspore

megaspore a large spore produced in a megasporangium Source: Noland, Ge...e + spora, a sowing] In plant s, a haploid (n) spore that develops into a female gametophyte . Full article >>> megaspore -- In plant...

Megagametophyte

...o generally be above 200 micrometers in diameter) spore s that develop into the megagametophyte , ... Full article >>>...

Mating type

...pore forms sporangia, where meiosis occurs and spore s form. Full article >>> heterogamy...yeasts and other fungal strain s where haploid spore s formed during meiosis undergo self- diploid ization due to the switching of mating type by som...

Liverworts

...s that develop in the sporophyte alongside the spore s. They are complete cells , usually with helical thickenings at maturity that respond to moisture content. Full article >>> The mosses, liverworts , and hornworts; a group of nonvascular plants that inhabit the land but lack many ...

Inflorescence

...culum. Any part or stage of a pathogen , such as spore s or virus particles, that can infect a host . Full article >>> inflorescence A specialized branching stem bearing more than a single flower , for example, a male catkin. infundibulum the part of the pituitary gland that i...

Indehiscent

...usly burst open to release it's contents, usually spore s or seeds. Covered in Lab 8 Seed Plant Reproduction ... Full article >>>...

Homospory

... homospory The possession of only one form of spore . This gives rise to a single gametophyte genera...ll article >>> production of unlike spore s; contrast with homospory Source: Noland, George B. 1983. General Biology , 11th Edition. St. Lo...

Homology

.... homospory The possession of only one form of spore . This gives rise to a single gametophyte generation carrying both male and female reproductive organ s. Full article >>> Homology : Indicates similarity between two different nucleotide or amino acid sequence s, often with ...

Homologous chromosomes

...otes that results in four haploid gametes or spore s having one member of each origin al pair of homologous chromosomes only ... Full article >>>...

Homologous chromosome

...otes that results in four haploid gametes or spore s having one member of each origin al pair of homologous chromosome s only ... Full article >>>...

Heterosporous

...ous -- Producing two different sizes or kinds of spore s. These may come from the same or different spora... heterosporous Producing two distinct types of spore s. heterotherm An animal whose body temperature fluctuates markedly; "cold-blooded." ... Full art...

Haploid gametophyte

...in the sporophyte , producing haploid swimming spore s that will settle to the ocean floor and produce the next generation haploid gametophyte stage. Full article >>>...

Haploid

...d gametes (in animals ) or haploid sexual spore s (in plant s and fungi ) having one-half of the genetic material of the origin al cell . Full article >>> [Gr. pro- - a prefix meaning before, in front of; L. nux - nut]. The haploid , or reduced, nucleus of a gamete (ie. ...

Gymnosperms

...e heterosporous ; that is, produced two kinds of spore s. microspore s (male) and megaspore s (female). Full article >>> gymnosperms : vascular plants having naked seeds, such as the conifers. H haploid : cells containing one copy of each chromosome . Full article >>>...

Gymnosperm

...e heterosporous ; that is, produced two kinds of spore s. microspore s (male) and megaspore s (female). Full article >>> gymnosperm s : vascular plants having naked seeds, such as the conifers. H haploid : cells containing one copy of each chromosome . Full article >>&#...

Genus

...division of fungi in which sexual ly produced spore s are contained within asci and are called ascospores . Full article >>> Describe the genus Australopithecus. Australopithecus is a genus of an extinct human precursor. Full article >>> Baculites, a genus of str...

Gene conversion

...erozygous (A,a) parent will produce gametes or spore s in a 1:1 ratio; e.g., 50% A; 50% a. However, if gene conversion has occurred, other ratios will appear. Full article >>> GENE CONVERSION - The alteration of all or part of a gene by a homologous donor DNA that is itself not a...

Gametes

...ivision process by which haploid gametes and spore s are formed, consisting of a single duplication ...d gametes (in animals ) or haploid sexual spore s (in plant s and fungi ) having one-half of the genetic material of the origin al cell . Ful...

Gametogenesis

...he a/alpha cell type undergo meiosis and form spore s. Full article >>> gametogenesis The formation of gametes by way of meiosis . gametogony Multiple fission that forms gametes that fuse to form a zygote . Also called gamogony. Occurs in the class Sporozoea. Full article ...

Gametophyte

.... Mosby ... Full article >>> These spore s develop into a gametophyte . These spore s and the resulting gametophyte have only half of the total complement of chromosomes . The g...

Gamete

... gamete s (in animals ) or haploid sexual spore s (in plant s and fungi ) having one-half of the genetic material of the origin al cell . Full article >>> Mature female gamete or egg cell . P pachytene [Gr. pachytes - thickness; Gr. tainia - ribbon]. The third stage in ...

Fungus

... mycelium and reproduces through dispersal of spore s. G Index ... Full article >>> Fungus with flagellated stage; possible evolution ary link between fungi and protist s. cilium pl. cilia (silly-um) [L. eyelash] ... Full article >>> Fungus : A Kingdom made up...