Prairie Grass is the organism that provides energy to all other organisms in the ecosystem.
Largest- Oak trees Smallest- Toads
Answer:
A
Explanation:
A because water is a essential resource to humans and all types of life.
Maybe that if they stop swimming they won’t die? Not sure if that’s helpful but it’s a suggestion. Here’s a link about sharks-https://g.co/kgs/jVvFkF
