Which of the following does not come from a seed plant?
a.
wooden cabins
c.
natural sponges
b.
notebook paper
d.
linen napkins

The answer would be C,  Natural Sponges

Cabins are made from wood, which is from trees, which start from seeds.
Paper is made from wood, which is from trees, which start from seeds.
Linen is made from the fibers of flax plant, which start from seed.

~Natural sponges are made from a type of multi-cellular living organisms.~ 

The answer is natural sponges.

The basic repeating unit of nucleic acids are known as nucleotides. a nucleotide consists of three distinct chemical groups.