Which characteristics of a flat worms digestive system allows the Flat worm to distribute nutrients to all body cells

Which characteristics of a flat worms digestive system allows the Flat worm to distribute nutrients to all body cells?

The presence of a gastrovascular cavity in the digestive system helps the flatworms to distribute nutrients to all body cells, the flat shape ensures the even distribution as well as it makes it easier

Explanation:

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation: