The answer is The Doppler Effect. It is named after the Austrian physicist Christian Doppler, who described the phenomenon in 1842.
They aren't all the same is not true of evolutionary trees.
<h3>What are evolutionary trees?</h3>
Evolutionary trees are trees that help to arrange and reconstruct the evolutionary history of species or groups of organisms belonging to either genera, families, or orders. The trees reconstruct and show case two form of information that is related to evolutionary change, cladogenesis and anagenesis.
Therefore, They aren't all the same is not true of evolutionary trees.
Learn more about evolutionary tress here.
brainly.com/question/2189834
Answer:
As the generations are increasing or gets much over time, we have a more likelihood of seeing a response to natural selections as the favourable alleles are going to be moved from one generation to the next while those that are not favourable would be eliminated over generations.
If the new host gives allowance for early reproduction and ease of access then the generations each year would rise.
Caused by sexual contact are more difficult to treat..