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:
Volcanoes are formed when magma from within the Earth's upper mantle works its way to the surface. At the surface, it erupts to form lava flows and ash deposits. Over time as the volcano continues to erupt, it will get bigger and bigger.
Explanation:
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DNA has always been an important factor/key role in the transference of hereditary information. However, Watson and Crick's structure demonstrated the process of how DNA worked on a molecular scale by indicating the way that genes, cells, and ultimately how all life forms reproduce.
C) Ligaments
They connect bone to bone
