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13 Cards in this Set
- Front
- Back
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Types of symbiosis: parasitism, mutualism and commensalism—know what they mean and examples of each.
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symbiosis - relationships between two organisms.....parasitism - one harmed, one helped....mutualism -- both benefit....commensualism - one no effect, one benefit
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Autotrophs, heterotrophs, primary and secondary consumers, producers, consumers and decomposers, herbivores, carnivores
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auto - photosynthetic/make own food....heterotroph - eat food....primary consumer - eat plants....secondary consumer - eats primary producers...plants (pretty much same as autotroph)...decomposer - breaks down organisms after die, like bacteria
herbivore -- eats plants....carnivores - eat meat |
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What is a niche? Ecosystem
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ecosystem - weather/habitat
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Differences between food web, food chain and trophic levels
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food web - many chains together, shows all relationships...food cahin - one line...trophic levels - base =producers then primary then secondary, etc...90 % of energy used up between each layer
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Parts of the water cycle
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look up
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Abiotic vs. biotic factors
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abiotic, not alive...biotic - alive
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Biomes—key characteristics of each—greatest variety of organisms, deciduous trees, lichens present, coldest environment
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ask billman what we need to know, get sheet from someone
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How are biomes named?
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based on amount of water
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What is the abyssal zone, characteristics of it?
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from book: the deepest portion of the ocean floor, wehere light does not penetrate, temperatures are cold, and pressure is extreme
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Greenhouse gases, how has that changed us? What causes increased CO2 increases in our atmosphere?
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global warming is caused by increased CO2 in atmosphere, which is increased by the burning of fossile fules
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Succession—what does if mean? Differences in primary and secondary succession
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succession means changing from one ecosystem to another...primary - "process of colonization and species replacement on a site that was preivously uninhabited....seconday -the sequential replacement of species after a major disruption in a community
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Gaia hypothesis; tragedy of the commons; common pool resources—what are these?
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A theory that the living organisms of the biosphere form a single, complex interacting system that creates and maintains a habitable Earth
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What are some significant outcomes from the rainforest being cut down?
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less habittate, more CO2 in atmosphere (because trees take in CO2)...lose potential for cures of diseases and other medicines
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