1. Does osmosis require a cell to expend its own energy? Yes or No

2. The place where a leaf is connected to the stem is called a

3. Ferns bear coated cells that look like small black dots on the bottom surface of their fronds. These cells have the potential to grow into a fern plant. These cells are called

Osmosis is passive requiring no cellular energy. Osmosis is diffusion across a cell membrane.http://www.educypedia.be/education/biologycelldiffusion.htm

The stem attaches to the blade of the leaf with the petiole, or leaf stalk, at a node.
http://en.wikipedia.org/wiki/Plant_stem
Ferns have spores, instead of seeds, located in sori on the back of the fronds.
http://www.davidlnelson.md/Cazadero/Ferns.htm