wind pollinated flowers have brighter, more colorful sweet smelling petals, T/F?
false
In photosynthesis, carbon dioxide is a reactant, T/F?
True
Hibernation is a structural adaptation, T/F?
False
petrol burns in the car is the reaction endothermic/exothermic?
exothermic
What did John Dalton do?
came up with the atomic theory
how did democritus contribute in the history of atoms?
suggested the word' atoms'
The famous gold foil experiment was conducted by?
Ernest rutherford
the flower part into which a pollen grows its pollen tube is?
style
the male gamete in a flower is the?
pollen
once a seed is formed, the petals and anthers and stigma, wither away, t/F?
true
in isotopes, atoms have different proton numbers, t/f?
false
