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Marine Ecosystem

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Sindy Martinez

on 12 April 2013

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Transcript of Marine Ecosystem

Sindy Martinez Marine Ecosystem Zoo Plankton Decomposers Single-celled animals such as ciliates or amoeboids that never grow large.
Larval forms of barnacles, fishes, and jellyfish, all of which grow to be much larger animals. Zoo plankton include: The Zoo Plankton transfers it's energy to some of the small predators or consumers. (examples : big shrimps, krill, big jellyfish , small fishes. A small jelly uses it's ability to capture small zoo plankton. Primary Producer In a marine ecosystem Phytoplankton are the primary producers.
This is because they use energy from the sun to convert it into carbon dioxide.Phytoplankton are found in the North Atlantic and Pacific all around the coast. Some other example of primary producers are Diatoms, Coccolithophores, Cyanobacteria, Dinoflagellates. Phytoplankton are eaten by tiny animals called zoo plankton.
The phytoplankton transfers it's energy to the zoo plankton.
The smaller zoo plankton are eaten by larger zoo plankton. Zoo
plankton adapt to their environment by having transparent bodies, bright colors, bad tastes, red coloring in deeper water, and cyclomorphosis. Small Predators
(consumer) In a marine ecosystem the type of decomposers that are found are crabs, sea urchins, and starfish, and fungi. For example a sea star break down dead organisms and return their nutrients to the environment. Top Consumer Some of the top consumers in a marine ecosystems are large fish such as sharks, tuna, and mackerel. Also marine mammals including seals, walruses, dolphins, and some species of whale birds such as pelicans, albatross, penguins, and skua. The top consumers are at the very top of the marine food web. For example a dolphin uses it's special techniques to catch small fishes. Sharks How does a shark receive energy? Sharks get their energy through food. When a shark eats a fish or a small consumer the energy that the fish had is passed down to the shark.The shark receive the energy they need to survive. Shark's Digestive System How does a shark get the energy into his body?
A shark gets the energy of it prey by eat it.There is a process the shark's food has to go through to give the shark energy. This process is called the digestive system. The first step of the digestive system is entering the mouth. In the Mouth the food is broken down into smaller parts or pieces. Digestive System After the food or energy enters the shark's mouth it goes through the pharynx. In the pharynx is where the tracts meet and perform their various functions.After this the food goes to the esophagus and then the stomach. The esophagus is a tube like food passage. It takes food down into the stomach. Digestive system Another part of the digestive system is the liver and gallbladder.In the liver a large amount of oil is created and stored. The gallbladder stores bile in it's lumen. It is stored until it is needed. After that comes the spiral valved intestines and the kidney. In spiral intestines the time food takes to digest is greatly reduced and the nutrients are absorbed. Digestive System The last steps of the digestive system is the anus and the anal fin. The anal fin is used to provide additional stability to the sharks that possess them. The anus is where the shark gets rigid of the waste. Cellular Respiration The most efficient way for cells to harvest energy stored in food is through cellular respiration. Cellular respiration has different stages. It can be broken down into four different stages. The first stage of cellular respiration is glycolysis. Glycolysis allows cells to make small amounts of ATP.The second, third, fourth stages are transition reaction,the krebs cycle, and the electron transport chain. Photosynthesis A process by which a plant produces its food using energy from sunlight, carbon dioxide from the air, and water from the soil.There are three stages of photosynthesis. The first stage is capturing energy from sunlight. The second is using energy to make ATP and NADPH. The third stage is using ATP and NADPH to power the synthesis of carbohydrates from CO2.

6H2O + 6CO2 ----------> C6H12O6+ 6O2
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