Question 3 (34 points)
explain the significance of the discovery of tiktaalik. what are the characteristics of
tiktaalik that make it a transitional form? what was important about the location in
which tiktaalik was found (time and space)? what important step in evolution did
this fossil demonstrate?

an ion is a charged atom or molecule. it is charged because the number of electrons do not equal the number of protons in the atom or molecule. an atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.

answeralert drivers who drift off the road;