PPT-The organisms in the food web live near large cattle

ranches Over many years mountain lions would kill a few cattle on occasion One year a few ranchers hunted and killed many mountain lions to prevent future loss of their cattle Later ranchers noticed that animals from this food web were eating large amounts of grain from their farm fields. Mr. . Francis. Chapter 2 – Interactions in Ecosystems. What are we getting into..... What do living things require?. How do the needs of living things differ between different types of organisms. Where do the materials requisite for survival come from?. A plant capable of synthesizing its own food from simple organic substances. HETEROTROPH. An organism that depends on complex organic substances for nutrition. A heterotroph is like a human or other animal; they cannot produce their own food and must eat other organisms to live.. What do living things need to survive?. Organisms need a source of energy to live. They use food as their energy source.. Autotrophs are organisms that make their own food.. Organisms that cannot make their own food are called heterotrophs. They feed on other organisms to obtain energy. . Definition of Adaptation. Characteristics that allow an animal to survive in its environment. These characteristics allow the animal to find food, protect themselves, communicate, and mate. Can be physical or behavioral. B-6.1: Explain how the interrelationships among organisms (including predation, competition, parasitism, mutualism, commensalism) generate stability within ecosystems.. What is Ecology?. The study of the relationships between organisms and the environment. What lives in the ocean?. 95. % of ocean is unexplored!. Known organisms are put into . 3. groups:. . bottom. dwellers—live on the sea . floor. /bottom (seaweed, . crabs. , coral). swimmers. —swim in the ocean (fish, . What is an ecosystem?. Groups of organisms and their ____________. ________________________. What is the Biosphere?. All _____________________are connected in a biosphere. Ecology Review. 34-. 2. Organism . Brooke Ard. 5. th. Grade Math/Science. Griggs Road Elementary. Aquatic Ecosystems. Water-based . ecosystems may be fresh water (lakes and ponds) or saltwater (oceans, . estuaries and . saltwater marshes).. What are Ecosystems? . Groups of living things and the non-living environment in which they live.. The people that study ecosystems are called: . “ecologists.”. Let’s look at the living parts of the ecosystem:. Chapter 1. Lesson 4. Objectives. Students will:. Explore how all the living and nonliving parts of an environment interact.. Describe how the living organisms interact with each other and with non-living parts of an environment.. It happens every year sometimes two or three times It happens to almost everyone in every city state town and country around the world When was the last time it happened to you What Oh Ecology . S. tudy . of the interactions among organisms and between organisms and their . environment. Ecologists . study the flow of energy through communities to discover nutritional relationships between organisms. ecology. . CLS 416. Ecology: . Is. the study of the relationship of living organisms among each other & interactions or relations with their physical environment. . Unit Standards. 5.L.4B.1 . Analyze and Interpret data to explain how organisms obtain their energy and classify organisms as producers, consumers (including herbivore, carnivore, and omnivore), or decomposers (such as Fungi, Bacteria insects and molds)..