Shrimp mainly feed on algae and other plant particles along with tiny fish and plankton in the water. One species of shrimp is known to stun it's prey before eating it by making a loud noise with one of it's claws, that makes a snapping sound through the water.
Here is a chart from breakthroughbasketball.com. Hope it helps! Men's Basketball: 22 ouncess. Women's Ball: 20 ounces. Youth Ball: 17 ounces. Size 4: 14 ounces. Another Size 4: 11 ounce. Mini Ball: 10 ounces.
For playing basketball, which is a typical intensity activity under the general description of basketball activities, the average calories burned by a person weighing 190 pounds (86 Kg) in 30 minutes is 345 Calories. In one hour playing basketball will burn 689 Calories.