There are many different types of cells with many different types of cellular structures and functions. Which of these structures is found in all types of eukaryotic cells? A. chloroplast
B. cell wall
C. nucleus
D. centrioles

Aplant may open end close its stomata to prevent excess water loss and maintain

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

What is the function of the root cap? a. extra-absorbent cells in the root cap absorb more water and nutrients b. protect the meristematic area of the stem c. contains sensors for sunlight d. increases surface area of the root