The Earth has formed and transformed over billions of years. Over these billions of years the different eons, eras, and periods how have water levels affected the life on Earth during those times? The amount of water on Earth is basically consistent at all times. With that being said how has the storage of this water affected the formation of fossils and when they have been found? How will the future be affected by the changing forms of water on Earth?

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

it is a limiting nutrient limited by a single nutrient in the ecosystem, & the single goes very slow.