osmoconformers; their internal osmolarity matches that of their environment although their ionic composition may be different (Oxford‚ 2008). In this experiment the osmoregulatory capability of two marine invertebrates was investigated‚ Carcinus maenas (shore crab) and Arenicola marina (lugworm). The lugworm’s capability to regulate cell volume over a period of 90 minutes was observed by measuring the change in weight of an entire worm exposed to different seawater concentrations in 15 minute intervals. The
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shale layers present. The presence of reptile and plant fossils indicates a drier climate at the time‚ however towards the Western regions of the canyon there is more limestone which indicates a more marine environment in that area. Next comes Hermit shale whose fern and conifer fossils as well as reptile and amphibian fossils indicate a coastal plain with many streams. Then comes the Coconino sandstone which is mostly quarts sand with vertebrate animal fossils indicating a dry desert environment
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organisms present on the cay and their preys Organisms Being Fed On | Organisms Feeding | Flowers | Snails and Bees | Snails and Fish | Turtle | Leaf litter | Earthworm | Phytoplankton | Zooplankton | Algae | Sea Urchin and Fish | Fungi | Crab and Sand Fly | Wood | Wood Boring Beetle | Tree Bark | Termite | Woodlouse and Bees | Spider | Bird | Pelican | Bees and Earthworm | Bird | Discussion Questions: (a) Create a food web of all the organisms present on the cay.
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My cousin said‚ “wow‚ that’s a big one!” My mom said‚ “That’s huge!” We kept going farther down the beach catching crabs. The next morning‚ my mom and I went out onto the beach and looked for shells. The morning was the best time because the tide from the previous night brought all the shells up onto the shore. I found an extremely shiny and smooth shell. I showed
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more than entertainment. The story is labeled as a tale for children and according to Merriam-Webster a tale is defined as a usually imaginative narrative of an event. The setting begins in a gloomy noon hour with the stench and carcasses of dead crabs
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Akimasa Marine and Allied Ind. Corp.We are seafood processor mainly tuna‚ swordfish‚ marlin and other species like tiger shrimp‚ snapper‚ grouper with -60C freezing facility. | Contact: Lory T.Yeh - Director | | City: Davao City | | Tel: (63-82) 295-8795 Fax: (082)295-1417 | | Skype: Get Skype Now! | | Email: akimasa.loryeh@gmail.com akimasayeh@gmail.com | | Alfincoles Enterprises. We are engaged in trading of Angel Wing (Diwal). Attached herewith is the picture
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During the Post Classical Period‚ from their respective religious origins to the 1500s‚ the Christian anti - merchant attitude sharply contrasts with the Islamic pro - merchant attitude towards trade. Both Christianity and Islam’s attitudes gradually became more neutral‚ more moderate towards the end of the Post - Classical. The sharpest contrast between the views of Christians and Merchants towards trade can be seen during their respective religion’s origins‚ as exemplified in Documents 1‚ 2
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respiration: capillary system close to the surface of a appendage or dermis can exchange gas Simple organisms can complete gas exchange through their dermis Examples: Bristle worms Squid (gills) Fish(gills) Trochophore larva (cilia) Horse shoe crab (book gill) Scopricans (book lung) Aquatic stage of lava (gills) Counter-current- efficient was to maximize oxygen removal from water and blood oxygen content‚ when 100% o2 in water‚ 90% goes to blood. (birds‚ humans) Concurrent- poor oxygen
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eaten by another animal or have rotted out. Apart from mollusk shells‚ other shells that can be found on beaches are those of barnacles‚ horseshoe crabs and brachiopods. Marine annelid worms in the family Serpulidae create shells made of calcareous tubes cemented onto other surfaces. The shells of sea urchins are called tests‚ and the moulted shells of crabs and lobsters are called exuviae. While most seashells are external‚ some cephalopods have internal shells. Seashells have been used by humans for
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rustling of leaves‚ by small lizards were also heard. I heard cars honking‚ most likely coming from behind Caribbean House‚ at the parking lot. Lower down on the reef‚ a scratching sound was heard. I ventured off to see what was causing it. There I saw crabs crawling up and even some falling off the rocks. I stayed on the cliff for quite some time‚ and saw planes as well. I heard them even louder when my ears were cupped. I closed my eyes for sometime‚ and it was somewhat of a guessing game. I heard so
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