B? But i think you answered this one already.
Answer: We all know that DNA act as repository of genetic information in most organism. But before the discovery of DNA it was thought that proteins act as a genetic material because protein is the final product of the cell dogma of cellular system and proteins helps in the formation of tissues and organs.
I think the cell walls would collide with the skeleton and the other physical support??? I really don't know.
<span>An ecological footprint :)</span>
Blue spruce, scots pine, eastern hemlock, western red-cedar, jack pine, and Iowa Juniper are some. There are many more, though, but there are way too many to list, :) hoped that helped:))