Explain how/ why the simulated number of birds changes over time in the first environment ( see tables a and b

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes

How does the nervous system affect the excretory system?

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of