Jerry wants to consume no more than 45% of his calories from carbohydrates. calculate his requirement for calories from carbohydrates based on a 2,500 kcal per day intake.

1125 kcal

He needs not more than 45% of his calories from carbohydrates.

Based on a 2,500 kcal per day intake

Therefore;

The requirement will be;

45% of 2500 kcal

= 45/100 × 2500 kcal

= 11250 kcal

The two organs that is responsible for ion exchange in bony fishes are gills and kidneys. They maintain the ion balance in the body of bony fishes.

The kidneys in the fishes are comparatively very small and they excrete a very small amount of urine to balance the ion in the body of the fishes.

The gills maintains the constant flow of water in the body of the fishes to compensate the ions in the body of the fishes in water, called as osmoregulation.