Final answer:
The 6 abdominal segments in shrimps and lobsters are located in the abdomen and are responsible for housing the reproductive apertures.
Step-by-step explanation:
The 6 abdominal segments in shrimps and lobsters are located in the abdomen. The abdomen usually has 11 segments in crustaceans, and the 6 abdominal segments are part of that. These segments are typically smaller with no appendages and are responsible for housing the reproductive apertures in the external body of the shrimp or lobster.