Answer:
d.organisms from the past
Explanation:
Fossils document the existence of now-extinct species, showing that different organisms have lived on Earth during different periods of the planet's history. They can also help scientists reconstruct the evolutionary histories of present-day species.
Decomposers break down their bodies.<span>The decomposers use the </span>carbon<span> stored in the bodies of dead organisms for their own bodies, and also release </span>carbon<span> as </span>carbon<span> dioxide into the atmosphere through cellular respiration</span>
<span>Ball and socket - Shoulder
Hinge joint - Elbow
Pivot Joint - Ulna/Radius
Plane joint - Wrist
Saddle joint - Thumb
Condyloid joint - Phalanges/Metacarpals</span>
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The answer is letter a) bacteria