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Transcript
WHAT IS THE BIOSPHERE? The biosphere is the portion of the Earth that supports life. The biosphere spans from a few miles up in the atmosphere to the deepest part of the oceans, and also seems to extend an indefinite distance underground. Every organism in the biosphere depends on its environment for survival. The environment supplies energy and material for growth and repair. For example, plants use sunlight, water, carbon dioxide, and inorganic nutrients for photosynthesis. ‼ READ CHAPTER 18 PAGE 480 ‼ WK8 HW – PRACTICE WORKSHEETS – DUE FRI, OCT 14 ECOLOGICAL ORGANIZATION PYRAMID 1) Individual – one organism, a single living thing. 2) Population – a group of interbreeding organisms (a single species) living in the same area. 3) Community – all the organisms, of all types, living in the same area. 4) Ecosystem – all the organisms living in the same area AND their nonliving environment. 5) Biome – one of several major types of ecosystems. 6) Biosphere – the ecosystem of planet Earth. ENERGY PYRAMID PRODUCERS plants = trees, grass, flowers, fruits/vegetables FIRST-ORDER CONSUMERS herbivores = deer, rabbit, insects, bird, zebra, bison, cow SECOND-ORDER CONSUMERS carnivores/omnivores = snake, fox, bobcat, bear, fish, frog THIRD-ORDER CONSUMERS carnivores = lion, hawk, shark, wolves, owl, alligator (predators) SCAVENGERS = vulture, coyote, crab, worms DECOMPOSERS = fungi (mushroom), bacteria