Answer:
1. Leads to mixing of genetic materials hence variation within species
2. Leads to offspring with hybrid viguor that tend to show high and adaptability to environmental conditions.
3. Variations due to sexual reproduction leads to improvement of species hence evolutionary changes that may bring about specialisation
When plates divide or separate it creates a divergent boundary.
Answer:
54
Explanation:
162 divided by 3 is 54
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All cells come from pre-existing cells