Which is the best way to describe the biodiversity of an area? A) A grassland has organisms that live on hundreds of acres of land
B) A desert has ten species of animals that can survive dry conditions.
C) A rainforest has fertile soil that supports many kinds of plants.
D) A pond has 12 species of organisms, including 300 animals and 40 plants.

A) A grassland has organisms that live on hundreds of acres of land

chromosomes carry the genetic information for organisms. also, chromatin is the thread like dna which is located in the nucleus of an organism.

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.