That would be PH and Salinity and Temperature
A cladogram (from Greek clados "branch" and gramma "character") is a diagram used in cladistics to show relations among organisms. ... These branching off points represent a hypothetical ancestor (not an actual entity) which can be inferred to exhibit the traits shared among the terminal taxa above it.
Explanation:
They differ when they have the same chemical composition but the way in which they are arranged or put together is different.
