Answer:
A.
Explanation:
Predator-prey relations refer to the interactions between two species where one species is the hunted food source for the other.
Answer:
common ancestor.
Explanation:
when two groups of organism are related it means they share a common ancestry but may be they are not a direct parent but can relate to there far back generation.
Evidence from fossil's records are used to study that today how much organisms have changed themselves according to the environmental changes on earth. DNA and genetic codes mainly shows the shared common ancestry.
The correct answer should be Gene Expression :)
Answer:
geologist is a scientist who studies the solid, liquid and gaseous matter that constitutes the Earth and other terrestrial planets, as well as the processes that shape them.
