I believe the biosphere is fragile, because over time all of the pollution us humans have made; If its from air pulloution, acid rain or even water pollution. the toxic acids over time have made the biosphere and the ozon layer weaker and more thin. which causes the biosphere to become weaker.
Answer:
pollen is important in fertilization because pollen carries male gamete and it helps in transportation of male gamete during fertilization in mainly gymnosperms and angiosperms.
Answer:
The parents' part DNA Is passed on to their Children, the genes get activated
on both the Mom and dad's. Some of the chromosomes are basically Copied from the parents. and that is what Makes the children Look more like their parents.
Explanation:
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This would be the nucleiod region.
