Leeches in medicine Leeches belong to the phylum Annelida‚ class Hirudinea. They are exoparasites‚ meaning that they are located on the skin surface. Leeches feed on blood‚ they use suckers to attach on their hosts skin. They are dorso-ventrally flattened‚ have segmented bodies = each leech has a fixed number of segments – 34. 2 suckers are located at each end of the body (posterior and anterior). Leeches are hermaphrodites. Leaches are bilaterally symmetrical‚ with thick muscular segmented bodies
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Home Log In Sign Up Top of Form Type to search for People‚ Research Interests and Universities Searching... Bottom of Form 1‚562 The African Origin of Ancient Egyptian Civilizationmore by Brandon Pilcher This paper argues that the ancient Egyptian people and their civilization were primarily of indigenous African origin. Multidisciplinary evidence from physical anthropology‚ genetics‚ archaeology‚ and cultural anthropology are all cited... more This paper argues that the ancient
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bioluminescence by North Americans is the firefly‚ which lights its abdomen during its mating season to communicate with potential mates. This bioluminescent ability occurs in 25 different phyla many of which are totally unrelated and diverse with the phylum Fungi included in this list (an illustration of a bioluminescent fungi is displayed in figure 1). One of the features of biological light that distinguishes it from other forms of light is that it is cold light. Unlike the light of a candle‚ a lightbulb
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honor Theodor Escherich. E coli are normally harmless and are part of the normal flora found in the lower intestines of humans and healthy cattle. Some E. coli serotypes are known to cause serious food poisoning in humans. E. coli belongs to the phylum of Proteobacteria‚ it is in the class of gammaproteobacteria and the family of enterobacteriaceae. There are around 200 different E.coli serotypes. When stained‚ E. coli appears as gram-negative bacilli. It appears in pairs or singly. E. coli is non
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Invertebrates are animals without a backbone. Invertebrates include organisms from the following phyla: Porifera‚ Cnidaria‚ Nematoda‚ Mollusca‚ Annelida‚ Arthropoda‚ Echinodermata‚ etc. Invertebrates can be further divided into two groups according to their level of complexity and specialization. These are: 1. Lower Invertebrates: This comprises of the phyla Protozoa‚ Porifera‚ Cnidaria‚
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Ceratopsians and Pachycephalosaurs Around 144 million years ago‚ began the emergence of the Ornithischian dinosaurs during the cretaceous period and diversified into North America and Asia. Ornithischians were classified as having a hip structure similar to that of birds‚ although they are not the descendants of birds. Marginocephalians‚ meaning "fringed heads" are a group of Ornithischians that have a distinctive skull structure‚ consisting of a slight shelf or bony frill on the back of the
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but they differentiate as a distinct group from other mammals with certain special features. On a CLASSIFICATION chart‚ a chart that organizes diversity into categories and indicates evolutionary relationships‚ primates are categorized under the Phylum CHORDATA‚ containing all VERTEBRATES (animals with segmented spinal columns)‚ and are also split into 2 suborders: HAPLORHINI‚ which includes lemurs and lorises and STREPSIRHINI‚ which includes tarsiers‚ monkeys‚ apes‚ and humans. I went to the Santa
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under the Naja genus‚ which most cobra species are‚ they have their own genus Ophiophagus. Their Taxonomy: Ophiophagus Hannah belongs to the monotypic genus Ophiophagus. It is classified under the family Elapidae‚ order squamata‚ class reptilian‚ phylum chordate‚ kingdom animalia. They are the longest venomous snakes in the world; their length is up to 18.5 to 18.8 feet (5.6 to 5.7 m). Their weight is Up to 20 lbs(9 kg). they can raise up to one-third of their bodies straight off the ground and
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Bald Eagle (Haliaeetus leucocephalus) Classification Domain- archaicbacteria Kingdom- animalia Phylum- chordata Class- aves Order- falconifornes Family- accipitridae Genus- Haliaeetus leucocephalus Species- Haliaeetus leucocephalus Description The bald eagle is very dark brown with a white feathered head and tail. Also‚ their beak is dark yellow and its feet and legs are a dull orange. The bald eagle is one of the largest flying birds seen in the United States. When it is standing
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the Spotted Eagle ray is in the kingdom of Animalia (en.wikipedia.org/wiki/Eagle_ray). It is a multicellular organism that is motile‚ which means they can move independently the eagle ray is an animal (en.wikipedia.org/wiki/Animal). The eagle ray’s phylum is Chordate because it had a nerve cord during development and it has a spine.(http://marinelife.about.com/). The class is Chondrichthyes because it is a cartilaginous fish which is related to sharks‚ skates and of course other rays as they all are
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