Which type of species in do you think is more likely to be a keystone ecies; a producer or a secondary consumer? Claim:

Evidence:

Reasoning:

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added