Binary fission occurs primarily in prokaryotes, while mitosis only occurs in eukaryotes Binary fission is a simpler and faster process than mitosis. The third main form of cell division is meiosis.
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The addition of an extra chromosome usually occurs spontaneously during conception. The cause of this is unknown and prevention is not possible. The most important risk factor for trisomy conditions is maternal age. Women in their late 30s and 40s have a higher chance of trisomy conditions occurring.
Answer:
what chemical reaction causes a volcano to erupt?
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The similarities between sharks and dolphins are : Analogous
<h3>What are analogous structures ?</h3>
Analogous structures are similar structures present in different species that do not share the same/common ancestor.
The similarities between sharks and dolphins are streamlined bodies and the possession of fins and they are analogous structures because they evolved differently for sharks and dolphins as they do not share a common ancestor.
Hence we can conclude that The similarities between sharks and dolphins are : Analogous
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A worker bee defends the hive while the queen bee lays eggs
A prairie dog barks to alert family members when it spots a predator
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