The correct answer is gliding joint.
<span>
A gliding joint or a plane joint is a type of synovial joint formed between bones that meet at flat or nearly flat articular surfaces. These joints allow the bones to glide past one another in any direction along the plane of the joint (twisting, turning, and sliding). </span>
Natural changed to the ecosystem relate to environmental shock that occur naturally. Natural changes include floods, volcanic activity, hurricanes, etc. They can be destructive, but they also have advantages. Floods have the contribution of nutrients to the soil which was lacking. It can also relocate fishes and organisms living in bodies of water which improves the ecosystem.
Normally the amount of plasma in whole blood is GREATER than the amount of formed elements: plasma makes up approximately -55- percent of whole blood.
Hope this helped!
cholecystokinin is the answer, good luck!
The statistical study of all populations is called demography