lesson 6 Flashcards
provising
providing food, water, and fuel
regulating
oxygen and carbon dioxide levels
cultural
recreation, scientific discovery and spiritual inspiration
support
photosynthesis, crop pollination, and seed dispersal
sustainable use
using an ecosystems resources in a way that meets our current need without compromising the ability of future generations to meed their needs
genetic diversity
the differences between individuals of the same species
major cause of decreasing biodiversity
habitat change, over-exploitation, pollution, invasive species, climate change.
habitat change
the process in which humans alter habitats enough that animals can no longer live there
native species
species that normally live in a certain area
habitat fragmentation
small area with in a large region that is alter small bit at a time
over-exploitation
using a resource faster that it than it can be replaced
pollution
an substance added to the environment that produces a condition that is harm full to organisms
non-point source pollution
enters bodies of water indirectly when from rain or snow travels over land and picks pollutants from different sources
invasive species
a non-native species that causes harm to an ecosystem
climate change
is when average may rise or fall the amount of rain fall may increase or decrease.
