Mass extinctions - when a large number of species or families become extinct; occur when there are large, catastrophic events that cause major changes in the ecosystem or biosphere, habitat fragmentation - destroying habitat and leaving small, disconnected pieces of habitat intact, acid rain - caused by air pollution when humans burn fossil fuels; chemicals dissolve in the water vapor in clouds and produce rain that has a low pH, deforestation - destruction of forests; cutting down trees on a large scale, aquifer - water stored in reservoirs underground, invasive species - a species that is non-native to an area; this species begins to harm native species, greenhouse effect - gasses in the atmosphere act as a blanket, keeping heat inside the atmosphere and warming the globe, biodiversity - the different types of living organisms on earth, keystone species - a species that maintains the diversity in a habitat, indicator species - in conservation, a species that indicates if an habitat is healthy or polluted,

Conservation and biodiversity vocabulary Wordwall

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