NV-APES Living World

KEY STONE SPECIES
This species holds together an ecosystem. It determines the types and number of species present. It has a lot of stress on it, but it also holds a lot of importance.
LAW OF TOLERANCE
The law of tolerance states that the existence, abundance and distribution of species depends on the tolerance level of each species to physical and chemical factors
1st LAW OF THERMODYNAMICS
Energy can be transformed, but it can never be created or destroyed.
2nd LAW OF THERMODYNAMICS
Some energy is always lost during each change in energy.
LAW OF CONSERVATION OF MATTER
Matter cannot be destroyed or created in an isolated system.