Ecological Succession Worksheet Name __________________________________ Date ________ Period _______ Succession‚ a series of environmental changes‚ occurs in all ecosystems. The stages that any ecosystem passes through are predictable. In this activity‚ you will place the stages of succession of two ecosystems into sequence. You will also describe changes in an ecosystem and make predictions about changes that will take place from one stage of succession to another. The evolution of a body
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Pest and Pesticides For centuries‚ pests have been feasting on crops and not only decreasing a farmer’s crop yield‚ but also spreading diseases that can even be deadly. Mosquitos‚ like the one to the left can carry many diseases such as West Nile and malaria.1 There are so many pests from insects such as beetles‚ which feed off of crops such as the potato plant (left)‚ and mosquitos (left) to rodents such as rats that “even with extensive use of pesticides‚ a substantial amount of damaged [crops]
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Depletion of the Ozone Layer * Function and location of the Ozone Layer The ozone layer is a portion of earth’s atmosphere that contains high levels of ozone. Ozone (O3) is a triatomic molecule consisting of three oxygen atoms. It is an allotrope of oxygen. Ozone is formed when oxygen molecules after absorbing ultra violet photon then converts a single O2 into two atomic oxygen radicals. The atomic radicals then combine with separate O2 molecules to create two O3 molecules. The main function
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Alligator are in a competitive relationship to hu8nt for food. The Dolphin and Manatee have a symbiotic relationship as they co exist in the water and do not compete for food. The Dolphins eats different kinds of fish and the Manatee eats mainly plankton ‚seaweed‚ or other aquatic grasses. Rising Temperatures Global warming is expected to raise temperatures between 4-10 degrees. These increase in temperatures will bring a host of changes to include retreating and eroding shorelines‚ dying coral
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thread is uncoiled‚ and springs straight. The harpoon-like thread punctures through the cnidocyte wall and into the prey. Once it captures prey on its tentacles it is brought to its body by contracting its tentacles in a corkscrew motion. It feeds on plankton which includes organisms such as mollusks‚ crustaceans‚ tunicate larvae‚ rotifers‚ young polychaetes‚ protozoans‚ diatoms‚ eggs‚ fish eggs‚ and other small organisms. All Aurelia including the Moon Jellyfish swim by pulsations of the bell-shaped
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tide‚ so do the E. analoga. As inhabitants of the swash zone where water is generally muddy‚ the crabs filter feed or strain their food by uncoiling their feather like antennas‚ feasting on small organisms and tiny particles of plant material like plankton. E. analoga burry themselves to avoid dominate predators such as seagulls or fish. Fisherman also use them for bait but so far not to the extent to put the specie in danger. Unlike other crabs that move forward‚ backward and sideways‚ E. analoga
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occupy the inside edge of the reef. Sponges‚ hydroids‚ and molluscs also inhabit various reef regions‚ as well as reef fish. The ecosystem of the reef is fairly straight forward. The main energy source for the producers of the reef (Algae‚ Kelp‚ and Plankton) is sunlight and water which provide them with nutrients. The producers provide resourceful energy for organisms (Warreners‚ Elephant Snail‚ and Sea Urchin)‚ in order for them to survive. These organisms are eaten by the marine carnivore organisms
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to be without each other. The Anemone protect Clown Fish from most predators while the Clown Fish helps the anemone to lure food in. The Clown fish eat other fish caught by the anemone they have left behind‚ they also eat dead anemone tentacles or plankton found or Coral Reefs. The Clown Fishes mouths have a hard jaw that allows them to nibble at the coral. The Clown Fish is described‚ as being brightly colored orange with three vertical white stripes and have rounded fins with black margins that enable
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feeds you will be able to bring out the colors you want. It is recommend orange/red artificial corals for optimizing color. They anchor themselves with their prehensile tails to sea grasses and corals‚ using their elongated snouts to suck in plankton and small crustaceans that drift by. Voracious eaters‚ they graze continually and can consume 3‚000 or more brine shrimp per day. The sexes in sea horses have well defined characteristics. The male will have a smooth soft pouch like area at
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These creatures have no predators.1 Asian carp is one example of invasive species. These animals kill other marine life and they don’t have any animal that hunt them. These carp eat over 25% of the plankton in the waters. Because they are spreading so much‚ the waters are getting over populated and plants that need the sun’s energy for photosynthesis are not getting the sunlight to survive. These fish are also known for jumping out of the water and
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