Answer:
D
Explanation:
The double helix is a description of the molecular shape of a double-stranded DNA molecule. In 1953, Francis Crick and James Watson first described the molecular structure of DNA, which they called a "double helix," in the journal Nature.
Some characteristics of plants that typically grow in the early and late stages of secondary succession are high respiration and photosynthesis.
<h3>Early and late stages of secondary succession plants?</h3>
Early succession plants are plants that exist or plants that sprout before any activity on farmland, they usually have a high rate of resource intake.
Typical examples are the weeds and grasses
Learn more about succession plants here:
brainly.com/question/16250280
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It is Speciation because if it does'nt have this it wolud die
