helps keep nature in balance. Adult Harbor seals eat many things including squid‚ crustaceans‚ molluscs‚ and a variety of fish; including‚ rockfish‚ herring‚ flounder‚ salmon‚ hake‚ and sand lance. Harbor seals do not chew their food and often swallow it whole. A harbor seal’s diet changes during the different seasons‚ when different prey are available. A young seal pups diet is mainly consists of small crustaceans that are easy to catch. Taxonomy Taxonomic Classification: Kingdom:
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prey from the surface and anything above her. They prey on small crustaceans and mollusks. Predators Some predators she has are basically the larger fishes and sea gulls. They are very slippery so it’ll be hard for the birds to catch them. Adaptions Since she can camouflaged to her surrounding‚ it’s easy for her to survive from the predators. Best foods that is suitable for her mouth shape is small food like crustaceans and mollusks. Her body is a ribbon shape so she can easily evade
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Garden” by Keith Douglas is about a beautiful woman and her power to seduce‚ manipulate men of any age. The author uses metaphors and similes by comparing the woman “as a white stone” and men as fishes “A cotton magnate/…A crustacean” to show how men’s behavior are like of any other animal species or as predictable as fish. The author keeps the imagery of a large aquatic marine environment to consistently illustrate the relationship between that of an
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different whales sometimes have different kinds of prey. The Sperm Whale eats squid‚ the Stejneger’s Whale eats squid and salmon‚ the Baird’s Beaked Whale eats Gadiform fish‚ Squid‚ and crustaceans‚ Orcas eat Seals‚ Sea lions‚ Penguins‚ Sharks‚ Cetaceans (Whales‚ Dolphins‚ and Porpoises) not people‚ the Blue Whale eats Crustaceans (krill). Killer Whales attack and attempt to kill Grey whales sometimes with victory. Southwest Fisheries Science Center says that killer whales may be responsible for the mortalities
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dogfish migrate northward to the Gulf of Maine Georges Bank region and into Canadian waters and return southward in autumn and winter (Jensen 1965). They tend to school by size and‚ when mature‚ by sex. Dogfish feed on many species of fish and crustaceans‚ but generally target the most abundant species (Link et al. 2002). In the Northwest Atlantic‚ maximum reported ages for males and females are 35 and 40 years‚ respectively (Nammack 1982). The species bears live young‚ with a gestation period
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hosts are known‚ that is‚ each generation of worms must pass through a human. LIFE CYCLE Humans become infected by drinking unfiltered water containing copepods (small crustaceans) that have been infected with D. medinensis larvae. After ingestion‚ the copepods die and release the stage 3 larvae‚ which then penetrate the host ’s stomach or intestinal wall‚ and enter into the abdominal cavity and retroperitoneal space. After
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experiment daphnia magna a semitransparent fresh water crustacean‚ are used to study the effects of water‚ alcohol and caffeine on heart rate. Daphnia was placed on a clean deep well slide. This was placed under the microscope and brought into focus on the best objective and light contrast. The heart rate was observed and counted within 15seconds and recorded on a table. Introduction Daphnia magna is a fresh water ectothermic crustacean commonly referred to as water flea. Because of its transparency
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Punjab Univ. J. Zool.‚ Vol. 22 (1-2)‚ pp. 01-06‚ 2007 HELMINTH PARASITES OF SOME FRESHWATER FISHES MUHAMMAD SHAFIQ AHMED‚ TAHIR IQBAL‚ AMJAD MAHMOOD‚ MUHAMMAD GULZARIN AND MUHAMMAD ABID Department of Zoology‚ University of the Punjab‚ Quaid-e-Azam Campus‚ Lahore-54590 (MSA‚ MA); Department of Zoology‚ University of Azad Jammu & Kashmir‚ Muzaffarabad (TI‚ AM‚ MG)‚ Pakistan. Abstract: Forty-three freshwater fishes (Heteropneustus fossilis 11‚ Mystus vittatus 16 and Channa striatus 16) were collected
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simple case of cause and effect. First‚ over the past thousands of years earth’s global climate has showed immense changes. Temperatures are going up resulting in tropical storms and a changed Ph in the oceans. This change is affecting the shells of crustaceans‚ the size of fish‚ and the amount of carbon in the water. The tropical storms are filling the bays with mud‚ drowning and killing the oysters. Oysters are the base of the ecosystem‚ so what happens when they are dying at an alarming rate? Here is
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the animals (or plants‚ fungi‚ etc) into smaller and more recognizable groups. The best known phylum is Chordata‚ which contains all animals with backbones (fish‚ birds‚ mammals‚ reptiles‚ amphibians). There is also Arthropoda (insects‚ spiders‚ crustaceans); Mollusca (snails‚ squid‚ clam); Annelida (segmented worms); Echinodermata (starfish‚ sea urchins) and many‚ many more. The next category that makes up the phyla is the Class. The class breaks up animals into even more familiar
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