Answer:
heavy skin pigmentation despite the far northern latitude at which they live.
Explanation:
Answer:
Igneous rock, or magmatic rock, is one of the three main rock types, the others being sedimentary etc. Igneous rock is formed through the cooling and solidification of magma or lava.
Answer;
C. A wall of stones and mortar
This would act as a model describing the cell membrane.
Explanation;
A cell membrane is made up of a phospholipid bilayer with embedded proteins.
A cell membrane hold the different components of the cell together and to protect it from the environment outside the cell. It acts as a boundary between the inside environment and the outside environment of a cell.
It regulates the materials that enters and exits the cell; through selective movement of substances in and out of the cell.