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Lizard Food Web

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Cassie Boehler

on 12 September 2012

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Transcript of Lizard Food Web

Symbiosis Pyramids Predation Parasitism Commensalism Mutualism Energy Pyramid (cc) photo by theaucitron on Flickr (cc) photo by theaucitron on Flickr In this relationship, both organisms benefit. In this relationship, one organism benefits and the other is not affected. In this relationship, one organism benefits and the other is harmed. A relationship in which the predator eats the prey. Competition Organisms compete and fight for a limited resource A lizard has adapted over time by camouflaging to its surroundings. Its green or brown color helps it blend in to the trees or bushes that it lives in. Adaptations 100 Calories 10 Calories 1 Calorie .1 Calories .01 Calories .001 Calories Individual Pyramid Producer Primary Consumer Secondary Consumer Tertiary Consumer 4th Level Consumer Decomposer Food Web vs. Food Chain A food chain and a food web both show the flow of energy from one organism to the next as well as the predator-prey relationships between the organisms. However, a food web shows many organisms in an ecosystem, while a food chain shows the flow of energy for only a few specific organisms. Biomass Pyramid 1004 g/m2 108 g/m2 526 g/m2 51 g/m2 7 g/m2 1.2 g/m2 Polar bears live in the arctic and have white fur that matches the snow and ice, and camouflages themselves from predators. Turtles have hard shells that are camouflaged to look like rocks. In times of trouble, the turtle can retreat into its shell to protect itself. 1,500 1,500 blades 250 300 150 75 40 15 20 8 10% 10% 10% 10% 10% Bacteria in the soil support life in the nitrogen cycle by supplying nitrogen to plants. Plants and bacteria have a mutual relationship because in return for the nitrogen, plants supply the bacteria with food, or carbohydrates.

In the carbon cycle, bacteria in the soil supports life by recycling carbon and converting it to carbon dioxide and water, which all organisms need to survive. Food Web of a Lizard Cassie Boehler 7th P. Example: Crickets return to soil after being decomposed, which provides nutrients for the grass, which the aforementioned crickets eat while they are alive. *Food web does not show, but ALL organisms may end up giving energy to decomposers (mushrooms and earthworms) Nitrogen and Carbon Disruption Disrupting one part of the nitrogen cycle sends the rest of the cycle into disarray. For example, if part of the cycle were to be taken out, in this case, ammonification, then nitrification would not be able to occur because there would be no ammonium to convert to nitrite, which is next supposed to be turned into nitrate, and so on and so forth. The entire cycle would end because of one disruption.
Disrupting the carbon cycle has the same affect. Say you were to take out plant and animal respiration. For one thing, all plants and animals would die because of lack of carbon dioxide in the atmosphere, which would prevent photosynthesis from happening, and in turn ridding all animals of food. Disruption of these cycles sends everything else out of order. Bacteria Bacteria helps the lizard survive within its environment by providing it with food. Without bacteria, plants would not be able to recieve the nitrogen they need in order to grow, therefore insects could die out from starvation and competition, and, in time, the lizard would follow. Example: Grass provides shelter for crickets and beetles. Example: Crickets live in the grass and eat it. Example: Lizards eat crickets and beetles, making the lizards the predators and crickets and beetles the prey. Example: If there were to be a limited amount of lizards left in the ecosystem, then the owls, hawks, and snakes would have to compete with each other for their food source.
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