PPT-Energy Flow in Ecosystem

DrSeema Keswani Assistant Prof amp Head Dept of Zoology Trophic Levels The primary source of energy for an ecosystem is the sun Photosynthetic organisms such as plants and algae change light energy from the sun into energy that they can use to grow . Chapter 7: Aquatic Ecosystems.. Environmental Science and the Earth. Ecosystems: Everything Is Connected. Example of the idea that “everything is connected”. In 1995, scientists interested in controlling . Energy Powers Ecosystems. Sustainable Practices. Ecologists and economists characterize practices that can be continued indefinitely as . sustainable. .. Ecological Footprint. T. he . area of land required to sustainably provide all resources a population uses and assimilate all the waste it generates, given the prevailing current technology.. . Flow . Through Ecosystems. E n e r g y !. At the core of every organism’s interaction with the environment, is its need for . ENERGY. to power the processes of life. The flow of . ENERGY. through an ecosystem is one of the most important factors that determines the capacity to sustain . Food Chains, Food Webs, Energy Pyramids. Begins with the SUN. Photosynthesis. 6CO. 2. + 6H. 2. O + sunlight & chlorophyll . . C6H. 12. O. 6. + 6O. 2. . The chemical reaction by which green plants use water and carbon dioxide and light from the sun to make glucose. .                       . Ecology. – the study of the relationships between organisms and their environment. Ecosystem. -- a community of organisms and their nonliving environment. Every organism requires energy to carry out life processes such as growing, moving, and reproducing. Photosynthetic . producers. such as plants convert the light energy from sunlight to the chemical energy of organic compounds. . 7. th. Grade Science. Ecosystem. All the living and nonliving things that interact in an area.. Biotic Factors. a living part of an ecosystem. Abiotic. Factors. All of the . nonliving . parts . of an ecosystem. Reversing the Deforestation of Haiti. People use charcoal for fuel:. In 1923, 60% of country was covered in forest. Now, less than 2% remains forested. Disrupts ecosystem services that trees provide.. using various models including . food chains. , food webs, and ecological pyramids. Lesson frame. :. We will analyze the flow of energy and matter through a food chain.. I will complete the Looney Labels Food Chain activity. autotrophs. and other organisms from a food chain is represented below. .. Carnivores would most likely be located . in. level . I, only . (. B) level I and level II . (. C) level III, . only. (. D) level II and level III. Scorpion, cactus, cricket, field mouse, shrub, mountain lion, . Snake, Owl, Goat, Lizard, Coyote. Make sure the arrows are going in the right direction!!!!!. Cactus.  Cricket Lizard Snake. Cactus Mouse Snake Owl. Section 3. Energy is vital to all living things. Most energy comes directly or indirectly from the sun. Because energy is continuously used by living things, it must be continuously replaced in the ecosystem . Ecosystem is defined as the system resulting from the integration of all living and nonliving factors of the environment.. The word ecosystem is not the synonyms of habitat, community or some other similar description terms. Rather it is a technical term in ecology and refer to a system of living and non living components interacting as a whole. . Ghorpade. Department of Microbiology . Deogiri College, Aurangabad . 1. Topic :- . Homeostasis of ecosystem. Concepts . of. . Ecology. Definition. Ecology is the scientific . study . of interaction between living systems and their environment.