When water is transferred from land to atmosphere by evaporation from the soil and by transpiration plants.
Mesozoic, the era contained both large reptiles and small birds/mammals. It's interesting, coming from an evolutionary biology.
Hope this helped!
Dorsal means back as in the back area. Example~ Many dolphins have a pronounced beak and all have a central dorsal fin and sharp teeth for feeding, mainly on squid and fish.
One way is to see if it responds to stimulants or if it reproduces
