Answer:
C
Explanation:Secondary succession is the series of community changes which take place on a previously colonized, but disturbed or damaged habitat. Examples include areas which have been cleared of existing vegetation (such as after tree-felling in a woodland) and destructive events such as fires.
<span>• Diploid – a cell that contains
(I think 4) sets of homologous chromosomes
((8?) sets); represented by the symbol 2N
• Found in or body cells (ex. Stomach, digestive tract)
• Example : Humans – 2N = __________
Sorry, gtg but here's my partial answer</span>
Natural selection acts on an organism's phenotype, or physical characteristics. So it depends what organisms it might affect.
Pretty sure its the placenta
B alleles that are expressed