Answer: magnesium atom
Explanation:
magnesium atom
The chlorophyll molecule consists of a central magnesium atom surrounded by a nitrogen-containing structure called a porphyrin ring; attached to the ring is a long carbon–hydrogen side chain, known as a phytol chain.
C. Ball and socket joints
Just took the test hope this helps :)
<em>2nd is true...3rd is false...5th is true...sorry can't guide u more than this</em><em>.</em>
<em>hope</em><em> </em><em>it</em><em> </em><em>helps</em>
Some species look similar because they evolved in similar environments. Similar environments impose similar challenges, and traits improving survival are favoured. These organisms would not be closely related, however, because they evolved from different species and different regions. This is known as convergent evolution.
