The force that gravity exerts on an object is called weight.
The shape of a planet’s orbit is elliptical.
The second law of planetary motion states that each planet revolves so that an imaginary line connecting it to the sun sweeps over equal areas in equal time intervals.
Scientist made detailed analysis of the fossilized bones of each species. <span />
The answer is diatoms.
The organism is unicellular, but contains cell organelles, so it must be in the domain Eukaryota. It also has chloroplast, so it could be some plant or algae, but since it is unicellular it must be algae. Among the algae, diatoms are specific for their <span>glass-like cell walls with sculpturing.</span>
This would be enzymes made of proteins.
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