4 deletion
Explanation:
deletion is a type of genetic mutation involving the removal of a base pair
Phenotype, physical appearance, is determined by the genotype, an organism's genetic makeup.
THE ANSWER WOULD BE A because homeostasis is about maintaining something so something doesnt shut down example maintaining body temperature.
Answer:
oceans, lakes and rivers,groundwater, in wells and aquifers.
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The correct answer is option B
The structure of the sperm is divided into three parts head, body and tail. The head region consists of many enzymes and the tail region of the sperm helps in providing mobility to the sperm.
The structure of tail adds propelling movement by whipping and undulating the sperm. The sperm moves through the reproductive tract to reach the egg.
