Normally tree rings will disappear, damage, or go missing when the tree doesn't have enough nutrients, another factor that contributes to that is drought.
Answer:
Mutations in genetic code occurs when DNA is being duplicated.Any changes in the base pairs leads to mutations by trasition or transversion. Change in amino acid leads to change in sequence and thus, mutation. This si carried on to new generation, if it takes place in germ cells.
A- uracil, test prep question
Answer:
Explanation:
The rock cycle is driven by two forces: (1) Earth's internal heat engine, which moves ... enough to drive mantle convection and there is no atmosphere or liquid water. ... In describing the rock cycle, we can start anywhere we like, although it's ... Referring to the rock cycle (Figure 3.2), list the steps that are necessary to cycle
If two heterozygous parents mate, the phenotypes of the resulting offspring will be 75% dominant and 25% recessive
