Urochordata is one of the sub phylum of chordate. Tunicates or Urochordata are all marine and colonial or solitary. Some species lead a sedentary life and others are pelagic. The Ascidian tunicate has formed a wrinkled cylinder or sac with 3-4 inches in length and has a broader base by which the organism is attached to the rocks or other substrates. Large aperture is present at the free end that is more or less terminal position which is the mouth or the inhalant siphon. Atrial or exhalent aperture
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protozoa and algae is often vague. For example‚ the alga Dinobryon has chloroplasts for photosynthesis‚ but it can also feed on organic matter and is motile. Protozoa are paraphyletic. Though they have sometimes been described as a subkingdom or phylum‚ they do not constitute a formal rank in modern classification systems. Characteristics Protozoa usually range from 10–50 μm‚ but can grow up to 1 mm‚ and are easily seen under a microscope. Protozoa exist throughout aqueous environments and
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Cestoda (tapeworm) Kingdom: Animalia Phylum: Platyhelminthes Class: Cestoda Order: Cyclophyllidea Family: Taeniidae Genus: Taenia Linnaeus‚ 1758 Tapeworms can grow from 63 centre meters to 15 meters.Tapeworms look like a ribbon that is flat and segmented. tapeworms like to live in our humans digestive system and eat all the food we eat because they can’t chew the food. Tapeworms are simple in design‚ but ruthless in action. They consist of two organs. The first to the wall of the
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Paleontology Cnidaria and Nematocysts Cnidaria‚ also called Coelenterata‚ is a large phylum of marine organisms with around 10‚000 species. These species are corals‚ jellyfish‚ various plant-like organisms‚ as well as many others. These are all very different from each other‚ except for one similar attribute. They all have Nematocysts‚ which are stinging cells used by all Cnidaria for either defense or hunting. Nematocysts have a variety of functions to fulfill these tasks. The organism can use
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P.vitulina is a mammal. The color of the Phoca vitulina varies‚ but it is usually a brown or grayish color. The Phoca vitulina is native to the Western United States‚ Northern Baja California‚ Northeast Asia‚ Japan‚ Greenland‚ Iceland‚ and Northern Europe. Because of its diverse areas that it lives in‚ harbor seals appearance of the harbor may differ depending on its habitat s. The adult male Harbor Seals height varies from 1.6-1.9 meters long and can weigh from about 70-150 kg. Adult females’ height
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The Boa Constrictor is a huge size and solitary snake that mostly live in the Central and the South American rainforests‚ savannas‚ and half-arid areas. Boa Constrictors are kept in house like house-snakes in divisions of South America‚ in these areas; the Boa Constrictors help out by catching and disgusting rats. The Boa Constrictor is connected to the bigger Anaconda. Boa Constrictor gives delivery (birth) to live young; up to 65 2-ft (60-cm) long baby snakes are born at same time. All the species
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Wildlife Issues Topic Answers Reading One 1 Dr. Julie Savidge concluded that Brown-tree Snake predation was the cause of declines of forest bird populations on Guam. 2 Recently‚ the National Park Service banned snow-mobiling in Denali Nation Park. 3 The National Audubon Society of today is an offshoot of the Massachusetts state Audubon society. 4 False: Wildlife issues or other environmental issues should be resolved based on public opinion as the majority is never wrong.
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(National geographic). Their life span in the wild will be 1 to 3 years long and 4 to 6 years long in captivity (Blackfootedferret). SECTION 2: CLASSIFICATION Common name | * Black-footed ferret * Black-eyed ferret | Kingdom | Animalia | Phylum | Chordata | Class | Mammalia | Order | Carnivora | Family |
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The asteroid‚ more commonly known as the starfish‚ or sea star‚ is an invertebrate that lives mainly in an oceanic environment. These unique and unusual creatures have a number of arms that protrude away from their spiny skinned bodies. The exact number of arms depends on the species; some have only three‚ and the most is 42. Most people commonly associate the starfish with having five arms. However‚ there are many species of starfish that have 3‚ 4‚ 6‚ 7‚ and 8 arms. Each arm that extends out of
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Pygmy Marmoset Classifications - CLASS: Mammalia KINGDOM: Animal ORDER: Primata FAMILY: Calithrichidae GENUS: Calithrix PHYLUM: Chordate Appearance - Pygmy Marmosets general appearance can vary in many colours. Pygmy Marmosets have very cute bushy brown fur‚ spotted with lighter and darker shades. Their back is generally grey to black with tawny brown. Their tail is ringed with tawny and black and can’t be used to grab branches or anything. The monkey’s forelimbs are shorter than
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