One reason is for safety! in case you get stranded in a body of water you can keep yourself afloat
Guard cell o is ordered to opening and closing of stomata.
Yes, elk are herbivores because they eat things such as grass and shrubs but not meat.
The breaking down of food in the mouth is the first step of the digestive process, It’s important because the food gets broken down into a form that can be absorbed and used.
