Energy
Which law: energy cannot be created or destroyed
First
Amount of energy passed on to each level
Approx. 10%
Term for water loss from plants
Transpiration
How humans obtain carbon
Eating plants or animals
Percentage of nitrogen in the atmosphere
78%
The amount of energy reflected back by clouds, water and land
Albedo
Organisms that break down matter
Decomposers
Term for a molecule that has different charges at each end
Polar
An example of a carbon sink (only need one)
Trees, fossil fuels, oceans, limestone
Useful form of nitrogen for plants
Nitrates
Products of photosynthesis
Glucose and oxygen
Which trophic levels contains only producers
First
In which state is water the most dense?
Liquid
What do we need phosphorus for?
Bones and teeth
Process of converting nitrogen into its useful form
Nitrogen fixation
AKA of producers
Autotrophs
The term describe a build up of toxins
Bioaccumulation or biomagnification
Term for water being attracted to other water molecules
Cohesion
Where do we not find phosphorus
The air
Where do we find nitrogen-fixing bacteria?
Roots of legume plants
Main energy source
ATP from Glucose
Which pyramid represents the dry mass
Biomass
The name of the bond between water molecules
Hydrogen bond
What happens if too much phosphorus gets into the water
Process of converting nitrates back into atmospheric nitrogen