PPT-Symbiotic Relationships 7

th Grade Science Objectives of the Symbiotic Relationships Lesson Students will investigate how organisms or populations interact with one another through symbiotic relationships and how some species have become so adapted to each other that neither could survive without the other Ohio Academic Standards LS 71. Koji Mukai. NASA/GSFC/CRESST and UMBC. How RXTE matches up with WDs. Luminosity: up to ~a few x 10. 34. erg s. -1. for symbiotic stars, ~a few x 10. 33. erg s. -1. for typical intermediate . polars. Can you think of examples of relationships where both people/ organisms benefit?. Can you think of examples of relationships where one organism benefits while the other is harmed?. Symbiotic Relationships. Many species are interdependent through relationships of SYMBIOSIS.. SYMBIOSIS. SC.G.1.4.1. Symbiosis exists when organisms of two or more different species live in close association with each other for the benefit of one or both.. By: Courtney, Ben, and Julio. 2 Types of Symbiotic Relationships. Obligate Symbiosis. Can't survive without each other. . Facultative Symbiosis. Live together by choice. Symbiosis. Definition:. interaction between two different organisms living in close to each other, typically advantageous to both. . 7. th. Grade Science. Objectives of the Symbiotic Relationships Lesson. Students will investigate how organisms or populations interact with one another through symbiotic relationships and how some species have become so adapted to each other that neither could survive without the other. (Ohio Academic Standards LS 7.1). Group Activity. In a group of about 4 people, discuss the following questions and write your ideas down on chart paper: . What . are the characteristics of . healthy. relationships?. . What are the characteristics of . What is symbiosis?. What it means:. . Two organisms that live together. Temporarily or for a longer time. At least one of the organisms . benefits from the relationship. Literal definition:. . the act of living together. The Monarch butterfly feeds as a larva on species of milkweeds. The milkweeds contain a group of chemicals called cardiac glycosides. Cardiac glycosides are poisonous to vertebrates. The larvae store these cardiac glycosides and the later adult Monarch butterfly contains them as well. If a bird (or other vertebrate such as a mouse or frog) eats a Monarch it finds them distasteful to begin with and is later sick.. What is the photosynthesis equation?. Identify four biotic items.. Define decomposer & radiant energy.. What was easiest for you on the test yesterday?. What was hardest for you on the test yesterday?. . Learning Targets. The student will. * Explain what is studied in ecology. * Order the levels of ecological organization from smallest to largest. * Describe the components of an ecosystem:. ECOLOGICAL RELATIONSHIPS Population – group of individuals of the same species living in the same area, potentially interacting. Community – group of populations of different species living in the same area, Ants and acacia trees. Symbiosis. Ecology Unit. Chapter 2. Take out your journals and copy down the “I Can” statement. for #6 in your Electronic Journals.. Symbiosis. What is symbiosis?. Close. and . Remora. Symbiosis. derives from the Greek words. . for “. living. ” & “. together. ”.. Symbiosis. is the close interactions or relationship between two organisms of . differing species. .. Warm Up 3/1/2016. Ecological Succession. Describe succession with 80% accuracy utilizing class materials. . Describe the difference between primary and secondary succession with 80% accuracy utilizing class materials..