What happens during Sphase?
O A. The cell divides.
O O O
B. DNA is replicated.
C. The nucleus goes through mitosis.
D. The cells rest.
SUBMIT

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

for a different answer set the answer would be because the oxygen in the water had depleted (apex)