What is the process of changing carbon in the air to oxygen?
Photosynthesis
These organisms make nitrogen useable
bacteria
Where is phosphorus usually found?
Soil and rocks
Give an example of a resevoir
Answers may vary
How much energy is kept from each trophic level?
10%
Cellular respiration is what?
Organisms breathing in carbon and exhaling oxygen
This part of the nitrogen cycle changes N2 gas into ammonia
Nitrogen Fixation
What does phosphorus dissolve in to form phosphate?
water
Give an example of precipitation
Rain, snow, etc...
What is an ecosystem
The biotic and abiotic factors
Name on way in which humans contribute more carbon into the atmosphere
Burning fossil fuels, cutting down forrests
These organisms breakdown dead matter into the earth's surface
decomposers
How does phosphorus enter a food chain/food web?
Plants absorb phosphorus through their roots
What is transpiration?
Plants releasing water into the atmosphere
What is the difference between a population and a community?
population is a group of one of the same species, community is 2 or more species
True or false, plants can release greenhouse gases during photosynthesis
True
True or false, plants taking ammonia up through their roots is called dentrification
false
How is phosphorus returned to the soil?
When organisms die
What is condensation
clouds
What is the main difference between primary and secondary succession?
Primary succession starts with no life, while secondary starts with some plants/soil
What are two ways carbon is released into the atmosphere?
cellular respiration
Burning fossil fuels
What is the full process of nitrification
Ammonia > Nitrite > Nitrate
What form is phosphorus found in soil and rocks?
Calcium phosphate
What is the difference between runoff and percolation
visible reservoirs/groundwater
What happens if a keystone species disappears?
The ecosystem will become unstable