Answer:chain-link fence
Explanation:a cell membrane is partial permeable which means that it lets some substances through but not other.
The correct answer is option A, that is, blood.
Cell theory in biology refers to the universally acknowledged scientific theory that living species are constructed of cells, that is, they are the basic fundamental and structural unit of all species, and that all the cells arises from the pre-existing cells. The theory is credited to Schwann and Schleiden. The three postulates of the theory are:
1. All living species comprises of one or more cells.
2. Cell originate from the pre-existing cells.
3. The cells is the fundamental unit of organization and composition in organisms.
Stationary fronts occur when warm and cold air meet. This brings cloudy, and wet weather. So your answer would be C.
Answer:
The answer is B.
Explanation:
When you skin your knee, cells divide to replace old, dead, or damaged cells.