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Transcript
Ecosystems Biotic vs. Abiotic Factors • Biotic-living (plants, worms, bacteria, etc.) -Abiotic-nonliving (soil, water, oxygen, etc.) Organization of Ecosystem SPECIES • Group of organisms that can produce fertile offspring. This means the offspring can mat and produce more fertile offspring so the species continues. Populations • All the members of one species living in a particular area Communities • A particular area containing more than one species of organisms • All the different populations in an area Ecosystems • Community of organisms living in an area along with their non living environment Ex. Deserts, ponds, oceans, forests, etc. Producer • Plants are called producers. This is because they produce their own food(glucose) through photosynthesis. • H2O+ CO2 + light --→ C6H12O6 + O2 + energy Glucose is C6H12O6 Consumer • Animals are called consumers. They cannot make their own foodConsume (eat) plants and/or animals. Types of Consumers • Herbivores eat plants • Carnivores eat other animals • Omnivores-eat both • Scavengers-eat dead organisms Decomposer • Break down waste and dead organisms to return the raw material to the ecosystem. Food Chains and Food Webs • Show energy moving through an ecosystem • Food webs are made of more than one chain