Which series shows levels of organization in order from the smallest to the largest structure ? a) molecule , atom , cell , organism b) cell , atom , molecule , organism c) atom , molecule , cell , organism d) cell , molecule , atom , organism

Hello!

The smallest unit of matter is an atom, and the only option with an atom first is C, so a good test taking skill is to do something like that.

Organisms are made of cells, which are made of molecules, which are made of atoms.

The answer is C

Hope this helped!

4, two dominant and two recessive