<span>The organisms in an ecosystem fills the energy role of producer, consumer, or decomposer.</span>
We have 20 different amino acids in our bodies.
Answer:
the transfer of genetic material from one population to another
Explanation:
During mitosis the four centrioles appear visibly and move to the ends of the nucleus one pair at each end<span> then they produce a series of threads that attach to the chromosomes During cell division the threads split the chromosomes and drew them towards the centrioles</span>