10^{-8} mutations per nucleotide. If there are 100 million nucleotides per haploid genome, there are 200 million nucletides per diploid genome. Six mutations divided by 200 million is 10^{-8}.
B may d answer 4 following question
Cause it is the only place that water can run threw
Answer:
Density is defined as the relationship between the mass and volume of a substance
Explanation:
Density is defined as the relationship between the mass and volume of a substance. A unit of measurement can be g / ml. The greater the mass of the substance, the greater the density value
Answer: Availability of water
Explanation:
When a person is travelling from a forest ecosystem towards grassland ecosystem the number of trees gets reduced in number.
The trees are replaced by prairie grasses. This change is because of less water availability in the area having grass.
The amount of precipitation decides the type of vegetation found in that area.So the area having trees would be having more precipitation as compared to the area having prairie grass.