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pond ecosystem
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Gravity
Terms in this set (9)
component
a part of something
abiotic factor
a non-living component of an environment
biotic factor
a living component of an environment
concentration
the amount of one substance in another substance
mean
the average of a group of numbers;
how to get the mean
count all the numbers; then add all the numbers; then divide the total by how many numbers you have
oxygen
a colorless and odorless gas that humans breather in the air and water animals breathe in the water
parts per million
a measure of concentration
photosynthesis
- a process plants use to produce food from carbon dioxide and water
- photosynthesis gives off the oxygen humans and other animals breathe in the air
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