How does DNA relate to chromosomes
and gene

Chromosomes are composed of DNA and histones. DNA is the complex biomolecule made up of sugars,phosphorus and nitrogen bases that carries in it the coded information by which amino acids are lined up to form proteins. Genes are stretches of DNA that make up the different codes for the different proteins.

Explanation:

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.