The respiratory system brings oxygen to cells in the body. And it removes waste, carbon dioxide. The Excretory system removes wast as well from the digestive system and from blood out of the body.
Answer:
Carbon atom is responsible for this huge diversity of organic molecules.
Explanation:
Diversity of Structures:
The diversity of organic compounds originate due to following properties of Carbon atoms.
i) Catenation: It is the unique property of carbon atoms of self linkage. This property allows carbon atoms to form a long chains.
ii) Multiple Bonds: Also, the carbon atoms can form multiple bonds along with single bonds. Therefore, those organic comounds in which double or triple bonds are present are known as unsaturated compounds while, that containing single bonds are termed as saturated hydrocarbons.
iii) Isomerism: This is very important property of organic compounds in which more than one structure can appear for a same molecular formula. Hence, resulting in increasing the number of compounds for a single molecular formula.
The structures of prokaryotic and eukaryotic cells affects their function as prokaryotic cell has simpler structure that enables it to perform all the basic life processes but complex functions like multicellularity cannot be achieved by prokaryotes. Eukaryotic cells have complex structures and hence can perform several functions unlike the prokaryotes.
Prokaryotic cell is the primitive type of cell that do not posses a true nucleus. They also do not contain any cell organelles. The ribosome type present in prokaryotes is 70S.
Eukaryotic cell is the advanced cell that possesses a true nucleus and all the cell organelles like mitochondria, chloroplast, golgi body, etc. Eukaryotic cells can even form multicellular structures and perform sexual reproduction, unlike prokaryotic cell.
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Answer:
Divergent Boundaries
Explanation:
The place where two plates move apart, or diverge, is called a divergent boundary