Answer:
generic variation helps species survive because it gives there offspring there traits to survive
Explanation:
James Watson is credited with the discovery is the stricture of DNA.
he gibe the 3D structure of DNA in 1962 ,
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To divide the sex cells or gametes
Answer;
Volcanic eruption.
Explanation;
Primary succession is most likely caused by volcanic eruption.
it occurs in lifeless areas; such as regions in which the soil is incapable of sustaining life as a result of factors like lava flows, newly formed sand dunes, or rocks left from a retreating glacier.
The other type of succession is called secondary succession which occurs as a response to disturbance; such as forest fire, tsunami, flood, among others.
