A) <u>Mutation</u> is the original source of variations for plants and other organisms which develops differences among their respective species
Explanation:
Genetic variation leads to the natural differences between each individual and among individuals of a species. The main cause for this variation is due to alleles that cause variations in the composition of genes or the DNA sequences.
A mutation is a genetic variation which leads to the creation of a new allele in a species population. Each variation in the DNA sequence leads to an allele formation and each allele leads to a difference in character or trait between individuals since they are the alternate version of the original genes.
Although genetic variations could be brought about by crossing over, random fertilization, or independent assortment; mutation is the original source because it provides the basic raw material for all the evolutionary changes.
Answer:
Increase
Explanation:
Visceral fat is a type of storage body fat. It is stored in the abdominal cavity and often surrounds many vital internal organs like stomach and liver. Over the time it forms a layer around these organs and also deposits in arteries which can cause many problems.
It can lead to insulin resistance which increases the risk for type 2 diabetes. It can also lead to other chronic conditions like heart disease and stroke. Hence, its increased amount is not good for the body. It can be decreased by proper diet, exercise and decreasing stress.
Answer:
if plants had less chloroplasts then they wouldn't be able to get energy from the sun and end up dying
Answer:
We are made of primitive cells
Answer: Due to crossing over and independent assortment.
Explanation: Crossing over occurs in Prophase I. It's when the homologous chromosmes switch genes with each other. This ways, genes are recombined, unique chromosmes are made!
