Answer:
In humans, mature red blood cells are flexible and oval biconcave disks. They lack a cell nucleus and most organelles, to accommodate maximum space for hemoglobin; they can be viewed as sacks of hemoglobin, with a plasma membrane as the sack.
Explanation:
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Interphase is when the cell grows and duplicates chromosomes. This is important for the cell to divide, because otherwise, the cell would shrink everytime it divided and would not have a sufficient amount of DNA
Answer:
Meiosis occurs in reproductive cells, as the goal is to create haploid gametes that will be used in fertilization
Answer:
A.They created a record of life on Earth.
B.They grouped organisms by their similarities.
C.They grouped organisms by the period in which they existed.
Explanation:
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Answer:
Biosphere
Explanation:
The biosphere contributes to life. The biosphere is important for the survival of our own lives, and it also it is the zone of the earth where the air, land, water, and other abiotic elements interact together to support our whole lives.
