help please!
The approximate age of Earth is:
6,000 years
150,000 years
4.5 billion years
13.5 billion years
On Aristotle's Scala Naturae, humans were:
on the bottom rung
on the top rung
on the same rung as animals
lower than plants
Which of these ideas is not a central theory for modern biology?
evolution
creationism
cell theory
gene theory
The approximate age of Earth is:
6,000 years
150,000 years
4.5 billion years
13.5 billion years
on the bottom rung
on the top rung
on the same rung as animals
lower than plants
evolution
creationism
cell theory
gene theory