Navigation Links
Primitive in Biological Definition

Origin of life

... Shaw (1973) commented: "If there ever was a primitive soup, then we would expect to find at least ... a "naked-gene" and postulate the emergence of a primitive metabolism which could provide an environment for ... in 1924 with Alexander Oparin 's notion of primitive self-replicating vesicles which predated the ...

Protein

... parce quil parat tre la substance primitive ou principale de la nutrition animale.» translated as: "I propose ... because it appears to be the primitive or principle substance of animal nutrition." Investigation of ...

Animal

... certain. Platyzoa The Platyzoa include the phylum Platyhelminthes , the flatworms. These were originally considered some of the most primitive Bilateria, but it now appears they developed from more complex ancestors. A number of parasites are included in this group, such as the flukes and ...

Brain

... . Vertebrates are characterized by increasing complexity in the cerebral cortex as one moves up the phylogenetic and evolutionary tree . primitive vertebrates, like fish, reptiles, and amphibians have cortices with less than six layers of neurons, a structure known as allocortex (Martin, 1996). ...

Cryptozoology

... summarily dismissed in the same way. There are several animals cited as examples for continuing cryptozoological efforts: The coelacanth , a primitive fish , a " living fossil " believed to have been extinct for 65 million years, was caught in a fishing net in 1938 off the coast of Africa . ...

Fungus

... on the inside; some soil-dwelling fungi actually trap roundworms and other small animals. Most chytrids, which are generally considered the most primitive group of fungi, do not form hyphae and instead grow directly from spores into multinucleate sporangia . A few other fungi have reverted from a ...

Glucose

... such as fructose , is so widely used. Glucose can form from formaldehyde under abiotic conditions, so it may well have been available to primitive biochemical systems. Probably more important to advanced life is the low tendency of glucose, by comparison to other hexose sugars, to ...

Animal

... certain. Platyzoa The Platyzoa include the phylum Platyhelminthes , the flatworms. These were originally considered some of the most primitive Bilateria, but it now appears they developed from more complex ancestors. A number of parasites are included in this group, such as the flukes and ...

Nervous system

... possess a network of nerves that operates like a more conventional nervous system, but lack a brain. Annelid worms and tunicates have a primitive brain called a ganglionic mass, which is a bundle of several nerves. Based in part on commonalities in embryonic development among all chordates ...

Paleontology

... at the fossils contained in a rock remains one of the fastest and most accurate means of telling how old that rock is. Fossils were known by primitive man and were sometimes identified correctly as the remains of ancient lifeforms. The organized study of paleontology dates from the late 18th ...

Plant

... transport water throughout the organism. In many the sporophyte acts as a separate individual, while the gametophyte remains small. The first primitive seed plants, Pteridosperms (seed ferns) and Cordaites, both groups now extinct, appeared in the late Devonian and diversified through the ...

Plant

... transport water throughout the organism. In many the sporophyte acts as a separate individual, while the gametophyte remains small. The first primitive seed plants, Pteridosperms (seed ferns) and Cordaites, both groups now extinct, appeared in the late Devonian and diversified through the ...
Other Contents
(Date:12/17/2014)... fundamentally transforming the travel experience and nowhere is this ... decade, ePassports, biometric readers, and secure document scanners have ... via eGates and Automated Passport Control (APC) Kiosks at ... across the globe. According to ...
(Date:12/11/2014)... , Dec. 09, 2014 Research and Markets ... ( http://www.researchandmarkets.com/research/twhjll/biometrics_market ) has announced the addition of the ... to their offering. One major trend ... continuous advances in technology, it is important to upgrade ...
(Date:12/11/2014)... WINSTON SALEM, N.C. , Dec. 10, 2014  That blood ... for quite a while. Hypertension – the medical term for ... in the early 1800s, and the inflatable cuff that,s used ... That doesn,t, however, mean there,s nothing new about hypertension, its ...
Breaking Biology News(10 mins):Automated Border Control (ABC) Transforms the Global Travel Experience With More Than 2500 ABC eGates and APC Kiosks Deployed In Airports, Seaports, and Land Borders Worldwide 2Biometrics Market in the APAC Region 2015-2019: Key Vendors are 3M Cogent, NEC, Safran and Suprema 2Research points to need for new approaches to treatment of high blood pressure 2Research points to need for new approaches to treatment of high blood pressure 3Research points to need for new approaches to treatment of high blood pressure 4
(Date:1/22/2015)... 2015 Carinsurancesavings.biz has released a new blog ... dismemberment insurance . , Purchasing an accidental death and ... advantageous. This type of rider provides benefits if the insured ... considered a lesser form of life insurance. , AD&D ...
(Date:1/22/2015)... A study recently published in ... Medicine & Science in Sports & Exercise shows ... reduce gastrointestinal (GI) problems associated with physical strain ... the double-blind, placebo-controlled study took 10 grams of ...
(Date:1/22/2015)... has added many trendy Champagne wedding dresses to ... the past three years. Today, the business announces a special ... the sales manager of the company, this is on the ... point can be reflected on the discounted wedding dresses from ...
(Date:1/22/2015)... 2015 Four years since the release of their ... with the marriage of Avasa & Matthew Love – the duo ... scheduled for release through White Swan Records on February 24, 2015. ... a sacred path available to all of us to walk out ...
(Date:1/22/2015)... 2015 EBSCO Information Services (EBSCO) ... their relationship in an effort to further promote visibility and ... EBSCO has long made AMA journals available via its subscription ... The JAMA Network. , Long known as both ...
Breaking Medicine News(10 mins):Health News:Accidental Death and Dismemberment Insurance Can Be Purchased at Low Prices Online 2Health News:Study Shows Kyowa Hakko’s L-Citrulline May Help Reduce Gastrointestinal Injury During Strenuous Exercise 2Health News:Study Shows Kyowa Hakko’s L-Citrulline May Help Reduce Gastrointestinal Injury During Strenuous Exercise 3Health News:Weddingshe Announces A Special Offer On Its Popular Glamorous Wedding Dresses 2Health News:THE ROAD by Avasa & Matthew Love -- A New Album 2Health News:THE ROAD by Avasa & Matthew Love -- A New Album 3Health News:THE ROAD by Avasa & Matthew Love -- A New Album 4Health News:EBSCO Expands Partnership with the American Medical Association 2Health News:EBSCO Expands Partnership with the American Medical Association 3Health News:EBSCO Expands Partnership with the American Medical Association 4
Other TagsOther Tags