Answer:
Explanation:
Benefits of rainforest ecosystems. 1. Preservation of species. Because they are so biodiverse, healthy rainforest ecosystems are the perfect places to preserve huge numbers of species that would otherwise be endangered.
A covelant bond consists a shared electron
We need a respiratory system to live because it is made up of organs that allow us to breathe. When we breathe, we deliver oxygen to the cells in our body to get energy from our food. This helps us live.
The answer is B. All living organisms are composed of one or more cells, which came from pre-existing cells
