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A special Eco-friendly relationship Web Browser What’s the It’s crowded Matter? up in here! 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 This is the source of all energy in an ecosystem The sun This is the name given to all the living parts of the environment Biotic Factors Water, temperature, and air are this type of factors Abiotic This is the name given to organisms that make their own food, from solar energy Producers/autotrophs What is another name for a consumer? Heterotroph This is the type of relationship between a flea and a dog Parasitism Bacteria in the stomachs of cows help cows digest their food. We describe this as this type of relationship… Mutualism This word is used to describe how organisms interact with one another we define it as “living together” Symbiosis A person can donate blood to another person without being affected. This is an example of… Commensalism Ana feeds her dog daily, and takes her dog for a walk. Ana, in turn, gets protected by her dog because she lives alone. This relationship is called… Mutualism What do the arrows represent in a food chain Grass Rabbit Fox Energy transfer This is the name given to organisms that eat both animal and plant material Omnivores Animals that eat plants only are called Herbivores Organisms that include bacteria and fungi are called: Decomposers How many herbivores are in the food web above? Three: Grasshopper, squirrel and rabbit This is what we call anything that takes up space Matter Give an example of types of matter that get recycled in the environment Water, Carbon, Nitrogen At In an energy pyramid, organisms at the top only get a certain amount of energy, because most energy is lost as heat and waste material. What do we call this rule? 10 % Rule Lightning Nitrogen in the air Denitrifying bacteria Animal waste Nitrogen fixing bacteria Plant proteins eaten Decaying living matter Bacteria Nitrogen-based materials Decaying living matter What kind of organisms are specially needed to use nitrogen and turn it into plant proteins? BACTERIA What process shown above, decreases the amount of carbon dioxide in the air? Photosynthesis As a predator population increases, what happens to the prey population? Decreases What do we call this type of growth? Exponential (J-curve) What was the exact date in which the human population reached the 7 billion mark? Halloween 2011 Space, births, mates, food are considered this type of factors…. Density-Dependent What does the dashed line represent? Carrying capacity (K)