One example would be freezing water in cracks of a sandstone sidewalk
Answer:
subsistence farming
Explanation:
subsistence farming. agriculture that produces just enough to feed the farmer's family with little left over to sell.
<span>The gallbladder plays an important role in our digestion of food. The gallbladder holds bile produced in the liver until it is needed for digesting fatty foods in the duodenum of the small intestine.</span>
Answer:
D
Explanation:
The family trees and the punett square shows you.
The substance that helps keep the integrity of the bacterial cell wall intact is known as the peptidoglycan. Others also refer to is it as murein or mucopeptide. The bacterial cell wall is necessary for survival because of the high internal pressure present inside of bacteria. Under normal conditions, if the cell wall is removed the bacterial cell will burst.
The peptidoglycan is a layer that can be used to distinguish gram positive bacteria from gram negative ones. G(+) bacteria have a thick layer of this while G(-) have a thinner ones.
