Riparian foliage <span>provides shade and shelter. The correct option among all the options that are given in the question is the first option or option "a". Riparian foliage are generally considered as natural biofilters. It protects the aquatic environment and also helps stopping excessive sedimentation. I hope the answer has helped you.</span>
They produce saliva which is essential for the breaking down of carbohydrates.
As the days get shorter and the temperature drops, this bear overeats and stores food as fat to get ready for hibernation.
When hibernate, bears will keep sleeping so they won't get any food from outside so they need to collect the food before hibernating. They have to eat more food than usual and stored it as fat to keep them from starving. The fats also help keep them warm as they are insulating the heat.
Answer:
The cell wall present in fungi and bacteria permits these cells to withstand very dilute external medium without bursting.
Explanation: