The car traveling 8 m/s. Good luck.
Answer:
Mitochondrial DNA is circular, so it doesn't shorten when it replicates unlike the rest.
Answer:
New species can appear gradually through small changes in an ancestral species.
Explanation:
The new species that appear are due to hereditary variations that occur in a population. The adaptive variations are said to confer a selective advantage to organisms possessing them. The result of variations is that well adapted individuals are able to survive and reach the reproductive age and pass over their favourable characteristics to their offspring.
The periodic table only accounts for elements. It does not account for compounds, such as water.