Answer:
C. Traits present in the last common ancestor of a certain group of species under consideration.
Explanation:
Ancestral character traits are the one that is present in the last common ancestor and all of its descendant groups. For example, the presence of the vertebral column is an ancestral trait for all the vertebrate groups such as birds and mammals as it was present in their last common ancestor and is also shared by them.
Answer:
it option b
Explanation:
it is because of durring the industrial revolution only then we used artificial selection
Fossils tell u if something has been there or not and u study it in some classes or jobs
Answer:The effect of gene flow is to reduce genetic differences between populations, thereby preventing or delaying the evolution of the populations in different geographical areas into separate species of the pathogen.
Explanation: