Answer:
B. Enough trees to create a close canopy.
Explanation:
Forests may have several tree species but one very important feature of forests is their close canopy of dense trees, often arranged in several strata (or layers).
 
        
             
        
        
        
<span>Humans have 23 Chromosomes </span>
        
                    
             
        
        
        
After pollination and fertilization following changes occur in a flower: The petals, stamens, style and stigma of the flower fall off.  Sepals dry up and hold the ovary.  The ovules confined in the ovary develop into seed
 
        
             
        
        
        
The differences will be in:
Magnification (how zoomed-in things can be seen).
Colour (depending on the quality of the microscope colours can be seen more realistic or not).
Resolution (images can be viewed with more detail and clarity depending on the microscope).
Hope it helped,
BioTeacher101
 
        
             
        
        
        
Answer:
<h3>The continuous process by which carbon is exchanged between organisms and the environment. Carbon dioxide is absorbed from the atmosphere by plants and algae and converted to carbohydrates by photosynthesis. ... The carbon cycle is thought to be the source of significant amounts of energy in the Sun and other stars</h3>