Nitrogen is an important element needed for the plants growth. What living organisms plays a big role in adding atmospheric nitrogen to the soil

Idont understand by supporting the plant and holding the leaves up to the light. question 3 options: tap or fibrous root flower petals herbaceous or wood stems leaves with stomata

What is the similarities and differences between bacteria and eukaryote?

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