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Transcript of Ecosystems
Vincent Pham What are biotic factors? The living things that make up an ecosystem. Macaw Owl butterfly Kapok tree Orchid What are abiotic factors? A nonliving thing that affects an ecosystem and the organisms in it Sun What are the levels of organization in an ecosystem? Organism<Population<Community<Ecosystem Organisms An individual animal,plant,or single celled life form Population A particular section, group, or type of organisms living in an area Soil Temperature Precipitation Community Different types of organisms living in an area Ecosystem A system formed by the interaction of a community of organisms and its environment What is a parasite/host relationship? A relation between organisms in which one lives as a parasite on another Parasite-an organism that lives on or in an organism of another species, known as the host, from the body of which it obtains nutriment Host-a living animal or plant from which a parasite obtains nutrition Fungus and Ants The fungus latches onto carpenter ants as they cross the forest floor and they return to their nest in the canopy. The fungus then grows inside the ant taking over the body and releasing chemicals to change the ants behavior. When the ant dies the fungus sprouts from its head and produces a pod of spores. Rafflasia Arnoldii and Trees Rafflasia Arnoldia is a flower that attaches itself to trees and its stems and roots are usually in its host. It smells of decaying flesh attracting flies. Leaf Cutter Ant and Fly The fly lays its eggs on the leaf cutter ants back. The larvae burrow into the ants body after hatching and feed on it until it dies. What is a predetor-prey relationship? Predator- an organism that naturally prey on others Prey- an organism hunted and killed by another for food Poison Dart Frog and insects Poison Dart Frogs are the predator and they eat insects such as crickets, flies, ants and termites What are the parts of a food chain? Producer- an organism that serves as a source of food for other organisms in a food chain Consumer- organisms that cannot make their own food Decomposer- organisms that break down dead or decaying organisms Food Chain- a series of organisms each depedndent on the next as a source of food The arrows represent the flow of energy from one organism to the other Orchid Spider Monkey Jaguar What are the 3 types of consumers? A organism that feeds on plants The 3 types of consumers are herbivores, carnivores and omnivores Herbivores Is a primary consumer because it eats plants Carnivores An organism that feeds on flesh Is a secondary and tertiary consumer because it feeds on primaryand secondary consumers Harpy Eagle Fruit Bat Omnivores An organism that feeds of both plant and flesh origin Is a primary,secondary and tertiary consumer because eats both plants and flesh Toucan What is a food web? A system of interlocking and interdependent food chains The difference between a food web and food chain is that a food web shows how organisms are connected by differents paths while a food chain follows a single path as organisms eat eachother. Marine/saltwater food web Phytoplankton Zooplankton Shrimp/krill Sardines Squid Shark Humpback Whale Freshwater food web Algae Snail Tadpoles Bass Clown Loach Painted Turtle Biotic vs Abiotic Biotic= living things that make up an ecosystem Abiotic= nonliving things that affect an ecosystem Organisms compete for abiotic factors an ecosystem which leads to survival of the fittest Plants fighting for Sunlight In the rainforest, plants try to get through other plants to try to get to the canopy level because that is where most of the sunlight is taken in and if you go lower you will notice that it blocks out most of the sunlight in the understory and and forest floor layers. Plants fighting for Soil The plants and trees must find a suitable space to grow because the rainforest soil is very nutrient poor and acidic making it hard to grow vegetation which is why many plants roots are outside of the soil. Jaguar Squirrel Monkeys Red eyed tree frog Sloth Anaconda Tarantula Differences Parasitism= relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it Mutualism= relation between two different kinds of organisms in which both recieve benefits from the other Commensalism= relation between two different kinds of organisms in which one recieves benefits and the other is not affected in any way Parasite/host vs Predator/prey relationship Sun Ocean (top) Lake + + Jaguars and Tapirs Jaguars are the predator and the tapirs are the prey because they are hunted by the jaguar. Goliath Spider and Mice Goliath spiders are predators known to eat mice which are the prey. Source of all energy=sun Animals fighting for shade Animals in the desert must compete to find shelter. During the day time it is so hot that they must try finding a rock to block out the suns harsh rays. Plants fighting for water Plants in the lower parts of the rainforest have a hard time getting water due to the canopy blocking most of the rain. Many of them such as plants hook themselves onto a tree and take support from the tree to grow larger to finally reach the upper part. Ecosystem=Tropical Rainforest A parasite/host relationship is that a parasite depends on its host for food,shelter, and a place to reproduce while a predator/prey relationship is when a predator simply kills its prey but does not seek living needs other than food. Anaconda Ants Terrestrial food web Cactus Insects Cactus Wren Lizard Snake Hawk Sahara Desert Impact on Desert (Take out the snake) You would have an increase in Cactus Wrens and when they increase youd also have a decrease in Cactus. You would have a increase in lizards and a decrease in insects leading to a increase in Cactus There are oil rigs in the Sahara desert which disturb the homes of organisms such as the snake. If snakes in the desert were to be wiped out because of this then you would have a huge problem in the flow of life... Citations rterterterterterterterterter "Levels of Organization in an Ecosystem." Prentice Hall, n.d. Web. 2 Apr. 2013. <http://www.phschool.com/ science fafadsff/ca_sci_exp_transparencies/earth_sci_unit5.pdf>. "Discovery News." DNews. Discovery, 2013. Web. 01 Apr. 2013. <http://news.discovery.com/animals/endangered-species/zombie-asdfasdfasdants-fungus-amazon-110303.htm>. "Rafflesia Arnoldii (corpse Flower)." Plants & Fungi: Rafflesia Arnoldii (corpse Flower). The Botanic Gardens, n.d. Web. asdfadsfa03 Apr. 2013. <http://www.kew.org/plants-fungi/Rafflesia-arnoldii.htm>. "Parasitic Fly." Parasitic Fly. Passport to Knowledge, 2005. Web. 03 Apr. 2013. <http://passporttoknowledge.com/ adfadsfadrainforest/ECOsystem/Insects/parasiticfly.html>. "Poison Dart Frogs." Poison Dart Frog Fact Sheet. Smithsonian National Zoological Park, n.d. Web. 03 Apr. 2013. asefadf<http://nationalzoo.si.edu/animals/amazonia/facts/fact-poisondartfrog.cfm>. "Life on Land." PBS. PBS, n.d. Web. 03 Apr. 2013. <http://www.pbs.org/journeyintoamazonia/life.html>. "Video -- World's Largest Spider -- National Geographic." National Geographic. National Geographic, 2013. Web. 03 Apr. aaaaaaa2013. <http://video.nationalgeographic.com/video/animals/bugs-animals/spiders-and-scorpions/tarantula_goliath/>. In Conclusion... Everything in an ecosystem, whether it's living or not, affects the way of life of any other organism in an ecosystem whether it be through energy, shelter, or relationships... Sun Sun Arabian desert