Based on the definition of a watershed, how many different watersheds were there in your model? explain how you’d determined this number!

What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.

Which experiment would most likely contain experimental bias ?

Models are non-visual ways of coummincating how someone thinks about something in the natural world