Answer:
Ball and socket joint.
Explanation:
In simple words a synovial joint is a type of joint which articulates two bones and also allows movement. Six types of synovial joints occur in our body at different locations. Ball and socket joint is one of that six types of joints. It is the joint which allows maximum movement of the joining bones because this joint is formed when one bone has a spherical end like a ball and the other bone covers this ball with a cup like structure called socket. Due to such arrangements of bones the joining bones can be moved in any direction and also they can be rotated to some extent.
The statement, <em>“Bacteria set the stage for other life forms to evolve on earth” </em>was made probably because Earth was populated exclusively by single-celled organisms (Archaea and Bacteria) at the time that it was oxygenated, and only one of these can perform photosynthesis that separates a water molecule and results in oxygen gas, which is called Cyanobacteria, which has a blue-green color that comes from chlorophyll. Today, Cyanobacteria can practically be found everywhere on Earth, possibly in the soil right outside your door, and still play a vital role in producing the oxygen that we breathe. Another reason could be, billions of years ago, single-celled creatures had the planet to themselves. Then, they established different ways for cells to share and communicate resources. These intricate and complex multicellular creatures were the very first animals, and they were totally a major success. Consequently, animal life evolved about 540 million years ago.
Cohesion/adhesion - they help water act as if it were a "magnet"
<em>Highlighted </em><em>muscles </em><em>are </em><em>the </em><em>muscles </em><em>of </em><em>the </em><em>neck. </em><em>It </em><em>is </em><em>a </em><em>group </em><em>of </em><em>four </em><em>muscles </em><em>which </em><em>helps </em><em>to </em><em>stabilize </em><em>the </em><em>shoulder </em><em>joint. </em>
Everything explodes without it. One sentence :)
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