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Ecology & Human

Ecology & Human Impact Living Envrionment Regents review

QuestionAnswer
Abotic Non living
Autotroph Plants and Algae that can produce their own food by photosynthesis. Sometimes called producers .
Biodiversity the variety of species in an area. more biodiversity the more stable the ecosystem
Biosphere All the life on earth
Biotic Living
Carnivore Something that eats other animals for food
Carrying Capasity The largest population of any species in an area.
Community All the living things in an area
Consumer Something that has to eat other living things for food. Sometimes called a heterotroph Oppsite of a producer.
Decomposer Something that comsumes dead and decaying things for food. Decomposers are important for recycling materials
Ecological Niche The specific roll or job an organism playing in its community.
Ecological Succession The process by which a ecosystem forms or is replaced by another community. 1 pioneer species, small grasses and mossses -> 2 Intermediate species, meduim shrubs some herbivores -> 3 Climax commuity stable and biodiverse
Ecology The study of how living things interact with one another
Ecosystem All the living and nonliving things in an area
Energy Pyramid Diagram showing how energy moves through an ecosystem. Lower levels have the most energy, only about 10% of the energy gets passed up to the next level
Envrionement All living and nonliving things in an ecosystem
Finite Limited, able to be used up
Food Chain A diagrm showing feeding relationships between organims
Food Web A diagram showing may interconected food chains including the realtionships between producers, comsumers and decomposers. More accture then a food chain.
Habitat The area where an organism lives
Herbivore Something that only eats plants. Sometimes called a primary comusmer.
Heterotroph Something that must eat other living things for energy. Sometimes called a consumer
Host Organim in a parasitic relationship that provides a home or food for the parasite
Limiting Factors Any factor in the envrioment, biotic or abiotic, that limits the size of a population
Parasite an orgnaism that survives by living and feeding on other organisims.
Population All the individuals of a species in a given area
Predator animal that hunts and kills other animals
Scavenger A carnivore that feeds on dead things.
Deforsitation Forest destruction as a result of human activity.
Direct Harvesting The destruction of an organism by removing it from its habitat.
Energy flow the movement of energy through an ecosystem. Sun -> producers -> herbivores -> carnivores -> decomposers Energy can not be recycled and is lost at each level
Fossil fuel A non renuable source of energy humans use to make electricty. Buring coal, oil, natrual gas. They release CO2 into the atomsphere
Global Warming An increse in earths temperature caused by greenhouse gases
Industrialization The process of large scale manufacturing by humans.
Nonrenuable Resource A resource that can be used up
Nuclear Fuel energy source that involves the spliting of atoms
Ozone Shield a layer of gas at the top of earths atomsphere that protects earth from the suns radiation
Pollution a harmful substance that is being released into the envrionment
Renewable Resource a resource that can be replenished over time
Trade-off an exchange or compriomise
Water cycle the movement of water thorugh an ecosystem
Invasive Species A species that is not local to the area and causing problems by out competing local species
Competition the struggle between organisms for access to limited resources in an envrionment
Created by: user-1555134
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