Asteraceae subfamily‚ see Asteroideae. "Sea Star" redirects here. For other uses‚ see SeaStar (disambiguation). Starfish Temporal range: Ordovician–Recent PreЄЄOSDCPTJKPgN Starfish‚ Mauritius.jpg Scientific classification Kingdom: Animalia Phylum: Echinodermata Subphylum: Asterozoa Class: Asteroidea De Blainville‚ 1830 Orders Brisingida Forcipulatida Notomyotida Paxillosida Spinulosida Valvatida Velatida[1] † Calliasterellidae † Trichasteropsida[2] Starfish or sea stars are
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Evolution - Changing of things over time to benefit the organism in natural selection. Biological evolution happened at the level population ‚ not the individual organism level. Lack of need‚ Climate change‚ population change Adaptations is at population level not individual level they are a result of natural selection Devolvment of diversity Because a genetics re combinations mutations and othe mechanisms that lead to variation there is what Darwin called descent with modification
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Human Impact And Population The negative human impacts on harbor seals are devastating‚ and there are yet to be any major positive impacts. In the 1900s‚ fur traders would hunt harbor seal pups that were less than four weeks old for their fine coats‚ which were highly valued. This led to a decrease in the harbor seal population. Harbor seals were also hunted by salmon fishermen who saw the seals as competitors for the fish. After a while many harbor seal populations had to abandon traditional haul-out
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Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Rodentia Family: Sciuridae Genus: Sciurus The eastern gray squirrel‚ or Sciurus carolinesis‚ is from the eastern and midwestern United States‚ and also to the eastern provinces of Canada (Wildlife Profiles). As the name states the eastern gray squirrel has gray fur but it can also have reddish fur and in some very rare cases black fur. Its belly is white and it has a long bushy tail.The average size of one of these squirrels is about
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Our animal is the Bibillius bobois‚ also known as the Bibi Bobois. The phylum our animal comes from is annelisa. What makes our annelid so unique is the way it protects itself‚ keeps predators away‚ reproduces‚ and the way it communicates. The defense mechanisms of the Bobois are especially unique. During the winter the Bobois produces a thick coat of gray slime that will cover its body to create a slimy shell. This slime protects it from cold temperatures by using the Greenhouse Effect to absorb
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Student Name: Sammi Zheng 12-04-12 | Green Sea Turtle TAXONOMY | Domain | Eukaryota | Kingdom | Animalia | Phylum | Chordata | Class | Reptilla | Order | Testudines | Family | Cheloniidae | Genus | Chelonia | Species | Two names (Genus and species - Italicize scientific name) Chelonia Mydas | | What is the Endangered Species Act status for this species (Endangered or Threatened)
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SCHEME OF EXAMINATION FOR B.Sc. (ZOOLOGY) SEMESTER SYSTEM w.e.f. Session 2011-12 Scheme of B.Sc. 1st Year Semester I Sr. No. 1. 2. 3. 4. 5. Paper code 1.1 1.2 P-101 2.1 2.2 Nomenclature Life and Diversity from Protozoa to Porifera and Cell Biology – I Life and Diversity from Coelentrata to Helminthes and Cell Biology – II Practical Marks+IA 40+10 40+10 40+10 40+10 40+10 40+10 300 Periods / week 4 4 4 4 4 4 Exam. Duration 3 hrs. 3 hrs. 3hrs. 3 hrs. 3 hrs. 3hrs. Semester II Life and Diversity
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CHAPTER I INTRODUCTION Mortar Adhesive is a very expensive construction material commonly used in building houses‚ parts of the house and other infrastructures like buildings‚ etc. Mortar is a very expensive ingredient that bonds bricks‚ stones‚ tiles‚ and concrete blocks into a structure. On the other hand Mollusk Shells specifically Mussel Shells and Oyster Shells are commonly consumed as food or used in pearl production. But once the meat of the shell is eaten or the pearl is removed‚ these
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Marine Ecology Group 6 Leader: Lester Hernandez Members: Jerome Pineda Bren Phillip Carasco Arizza Mae Delos Reyes Niña Clarisse Monzales Roxanne Ocampo Marine Fauna * Are animals that inhabit the seas and oceans * Some marine animals subsequently transferred to life in fresh water and on dry land‚ giving rise to freshwater and terrestrial fauna. * Some vertebrates that returned to the marine environment have retained their ties to land‚ leaving the sea for reproduction
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REPTILES Reptiles are cold blooded animals‚ most reptiles live in the forest‚ and some live in both water and land. Some examples of reptiles are: Snakes‚ Lizards‚ Alligator‚ Tortoises‚ Turtles and Chameleons. Reptiles are all over the world but not in one place called ANTARTICA‚ because it is very cold for them to survive . Reptiles rely on their surrounding for warmth ‚ so they are common in hot places ‚ such as RAINFOREST . The warm place contain lots
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