Answer:
<em>Chromosomes compress, thicken, shorten, and become more apparent during prophase. At the centromere, chromosomes appear as two sister chromatids fused together. Chromosomes line up on the equator during metaphase.</em>
Precipitation is the answer :)
As far as I can tell, the answer would be D. Adaptation. The birds are evolving to adapt to their environment, and as such, their beaks are getting larger to crack larger seeds.
Answer:
The aboveground biomass of the boreal forests is high because these very slow-growing tree species are long-lived and accumulate standing biomass over a good amount of time. Species diversity is smaller than that seen in temperate forests and most tropical rain forests.
Explanation:
Hope this helps.