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.
Hope this helps right here, A babyy animal knowss what to do after birthh just becausee it'ss just a naturall formm of instincts , i think
- hope this have helped you in anyway .
Adenosine Tri-phosphate.........
