Science chapter 1 flash cards
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Ecosystem:all the interacting parts of a biological community and its enviroment.
An ecosystem that is capable of withstanding pressure and giving support to a variety of organisms.
- The living parts of an organism
- e.g. a tree,deer or rabbit
- The non-living parts of an ecosystem
- e.g. river rock or pond
The hard part of the earths surface.
All the money on earth including lakes.rivers,oceans....
The layer of gases above earths surface.
The regions of earth where organisms exist
- A chemical that is essential to living things and is cycled through ecosystems.
- e.g. O2
When nutrients in aquatic are increased,which increases the the population of primary producers.
When sunlight energy is changed into chemical energy.
- A category of animals that is defined by how they get their energy
- e.g. grass is in the first trophic level.
The total mass of living organisms in a certain area or grop
The measure of ow much energy is transferred from one trophic level to the next higher level.
When a organism ingest a material (toxins) faster than they than it eliminates them.
when toxins consumed by one trophic level move to the next trophic level.
A process when objects release energy from organic molecules (carbohydrates) in the presence of oxygen.
A process when objects release energy from organic molecules (carbohydrates) without oxygen.
A gas prevents heat from leaving the atmosphere , in turn increasing the atmospheres temperature.
The warming of earth because of the Greenhouse gases.
Any precipitation that has a pH level lower than 5.6 caused by acidic gases mixing with water
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