All prokaryotes are single-celled organisms. compare prokaryotes and eukaryotes. select the characteristics that only apply to prokaryotes. •these cells contain membrane bound organelles.
•these cells have DNA contained in nucleus.
•these cells have DNA in a region called the nucleoid.
•some of these cells have structure like flagella and microvilli.
•these cells have cell walls made of polypeptides and polysaccharides.
•these cells have cell walls made of cellulose.

These cells have DNA in a region called the nucleoid.

-Some of these cells have structures like flagella and microvilli.

-These cells have cell walls made of polypeptides and polysaccharides.

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.

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.