Which statement best describes succession? A. Succession causes a disturbed ecosystem to become less stable.
B. Only communities with resistant species can avoid succession.
C. An ecosystem's organisms become larger as succession progresses.
D. Parts of all communities are constantly undergoing succession.

the answer would be..

b. sucking

answer: dna

because all cells have genes

the principle of segregation describes how pairs of gene variants are separated into reproductive cells. from his data, mendel formulated the principle of segregation. we now know that the segregation of genes occurs during meiosis in eukaryotes, which is a process that produces reproductive cells called gametes.

answer denitrification;