ANSWER:
I think it's the second one.
EXPLANATION:
in primary succession newly exposed or newly formed rock is colonized by living things for the first time. in secondary succession an area that was previously occupied by living things is disturbed, then recolonizeed following the disturbance.
Question: The Produces secondary phloem and xylem tissue, adding to a tree's girth. Answer: The "vascular cambium" produces secondary phloem and xylem tissue, adding to a tree's girth.
Secondary Succession<span>
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The answer is <span>25% red : 50% pink : 25% white
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A - allele for red flowers
a - allele for white flowers
AA - flowers with red flowers
Aa - flowers with pink flowers
aa - flowers with white flowers
The cross looks like:
Parents: Aa x Aa
Offspring: AA Aa Aa aa
Red flowers (AA): 1/4 = 0.25 = 25%
Pink flowers (Aa): 2/4 = 0.50 = 50%
White flowers (a): 1/4 = 0.25 = 25%
