Answer:
population is number of inhabitants in area or place
Answer:
Nucleus
Explanation:
It is the unit of heredity and it controls the activities of the cell
Answer: B. The color of a mineral's powder doesn't change.
C. The densities of many minerals are quite similar.
D. A mineral can break in only one way.
A mineral is a naturally occurring inorganic compound. It is a chemical compound that usually found in crystalline form. The color of the mineral's powder can change because of the oxidation or reduction of particles present in it. The density of many minerals cannot be same because all mineral particles exhibit different composition of atoms or molecules which are responsible for physical and chemical structure of minerals. Hence, minerals vary in density. A mineral can be broken down into many ways like fracture, cleavage and other methods.
The above is not an example of sexual selection because sexual selection is about differential success in acquiring males.In sexual selection one biological sex chose mates of other sex to mate with. and compete with members of the same sex for access of members of opposite sex