Data Sheet Animals found inside the quadrats: Animal names | Number of Individuals | | Quadrat 1(near sea water) | Quadrat 2(intertidal zone) | Quadrat 3(splash zone) | Periwinkles | 0 | 16 | 0 | Barnacles | 0 | 19 | 0 | Bivalves | 0 | 10 | 0 | Hermit crabs | 15 | 0 | 0 | Snail | 1 | 0 | 0 | Animals found outside the quadrats: Animal names | Nos. | Micro-habitat | periwinkles | 42 | Rocky shores | oyster | 20 | Rocky shores | sea cucumber | 51 | Gravel beds offshore
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it is usually divided into three main regions : a. Splash zone -- a region rarely covered by the sea‚ but is usually sprayed with salt spray at high tide. Sometimes‚ it may be drenched in a heavy gale. Aquatic plants and animals are rare in this zone. b. Intertidal zone -- Also known as the littoral zone. It lies between the mean high water spring tide mark and the mean low water spring tide mark.. All the plants and animals in this zone must
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are accessible to biologists for investigation. In this experiment‚ the aim was to study small sections of a rock poll that contained a distribution of organisms. These organisms that were located were found in the littoral zone of Bridgewater’s rocky seashore. A littoral zone is made up of a community of aquatic organisms habiting the narrow strip of coast. The organisms that were studied included periwinkles‚ sea stars‚ algae‚ urchins and different types of sea weed. Periwinkles have shells to reduce
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Intertidal Zones The intertidal zone‚ also known as the littoral zone‚ in marine aquatic environments is the area of the foreshore and seabed that is exposed to the air at low tide and submerged at high tide‚ it is the area between tide marks. In the intertidal zone the most common organisms are small and most are relatively uncomplicated organisms. This is for a variety of reasons; firstly the supply of water that marine organisms require to survive is intermittent. Secondly‚ the wave
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Describe the distribution of TWO of these species in the kite graph that appear to show a biotic distribution. The Cat’s Eye are found 14~18m from the HWM AND 22~32m from HWM so they are found in mid and low tide zone and absent from HTZ‚ therefore they are predominantly found within the zone where NN is found. The NN are found 26~36 from the HWM. So they are predominantly found in low tide region and not above at 0~24m. Name an abiotic factor (non living-environmental)‚ linked to this
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Shores are split up between horizontal zones depending on how much exposure to the environment the organism can endure. 3. What three types of bedrock are typically found in a rocky shore ecosystem? The three types of bedrocks typically found in a rock shore ecosystem are rocky shore‚ sandy shore‚ and salt marsh. 4. What are the different zones of the rocky shore? (There are three main ones—sometimes a fourth upper zone is called the splash zone. The zones starting from the shoreline can also go
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because most of the land grabbers are gang lords. It is a regular sight to see burning mangroves‚" informs Milli Shetty of Vikas Samiti‚ a resident of Kandivali who has been involved in saving the local mangroves. Garbage too is dumped into these intertidal areas‚ upsetting the salinity of the seawater and choking off mangrove tree roots. The dumping is a technique to illegally reclaim the land‚ and subsequently build on it once the trees have been destroyed. "As a result‚ people tend to associate
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these “rocky intertidal” areas turn out to be great places to study community ecology. An ecological community is a group of species that live together and interact with each other. Some species eat others‚ some provide shelter for their neighbors‚ and some compete with each other for food and/or space. These relationships bind a community together and determine the local community structure: the composition and relative abundance of the different types of organisms present. The intertidal community
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Ellen Ryan Biology IA Task G1 Investigation into the biodiversity of organisms at different heights on a rocky shore. PART (1) Ellen Ryan Introduction This experiment was carried out in order to better understand Hong Kong’s ecology and biodiversity‚ specifically focusing on field-based whole organism biology in an area with little human interferences. Method 1. Lay a horizontal transect on the mid-shore (1.75m) 2. Repeat for high-shore (2.25m) 3. At regular intervals of 1m
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dissolved oxygen levels allow for different life forms to prosper in the separate intertidal zones. Lastly‚ the water layout of an open area with waves at the beach verses a skinnier smaller water areas at the salt pond can determine which animals prefer to live in each place. Overall‚ there are many abiotic factors that greatly affect and determine the life of the biota in both the beach and the salt pond intertidal zones. The rocky landscape that surrounds the water allows different biota to thrive
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