Answer:
The body regulates those levels in an example of homeostasis. When levels decrease, the parathyroid releases hormones. If calcium levels become too high, the thyroid helps out by fixing calcium in the bones and lowering blood calcium levels. The nervous system helps keep homeostasis in breathing patterns.
Explanation:
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I’d choose number (2)
step by step explanation:
Mitosis
begins with interphase ends with telophase
occurs in haploid cells
results in 2 identical sister cells
and c it splits into even numbers of chromosomes
meiosis
begins with interphase 1 and ends with telophase 2
occurs in diploid cells
results in a haploid
and 4 one diploid cell into 4 haploid cells
Mainly medicines and nutrients.
Primary producer, because it has to make it's own food.
