Answer:
B, food production
Explanation:
The plant is producing food for itself
An isometric exercise is a form of exercise involving the static contraction of a muscle without any visible movement in the angle of the joint.
Answer:
Gap junctions.
Explanation:
Gap junctions may be defined as the intercellular connection present between the cells of the animals. They are made of the connexons and present in all cells of the body except skeletal muscles.
The small molecules and ions can easily pass through the gap junctions. The neighbouring cells can pass the molecules and communicates with each other through the gap junctions. They are known as macula communicans. Invertebrates have the gap junction made of innexin.
Thus, the answer is gap junctions.
Probably to not contaminate food or accidentally poison it.
