The original source of all genetic variation is <span>mutation.</span>
A common use of carbohydrate is to provide energy for plants, animals and human.
Answer:
It is the practice of maximizing the efficiency with which buildings and their sites use resources (energy, water, and materials).It is the practice of minimizing building impacts on human health and the environment.Green building is also known as sustainable or high-performance building.
Explanation:
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Answer: Filtration
Blood that is going to be filtered enters the first part of the nephron,
the glomerulus, which is a tuft
of capillary vessels. The glomerulus is inside a "sac" called a
glomerular capsule.Together, the glomerulus and the glomerular capsule
form the renal corpuscle, which is the filtering unit.
in metaphase the chromosomes are lined up on the spindle fibres across the middle of the cell. and during anaphase the chromosome copied are separated and moved to either end of the cell on the spindle fibres. basically the chromosomes are in different positions