When a specimen is to be observed under the light microscope, scientists usually stain the specimens using different type of chemical stains depending on the type of specimen to be observed. Staining of specimen make the structures that are to be observed in the specimen very visible under the microscope, this make it easy for scientists to observe their structures.
First of all, the cohesive and adhesive properties of the water molecules fascilitate this. Water molecules stick together and with the walls of the vessels, creating a column of water which doesn t break easily. Moreover the xylem vessels of the tree are very narrow increasing the pressure. Finally, transpiration is taking place as water from the leaves evaporate, thus a continuous osmotic gradient is being created, causing water to be drawn up the tree
The defining feature of a prokaryotic cell is C. Membrane- bound organelles.
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The horrific forced transport of Africans into America during the age of exploration as part of the slave trade that was going on where Africans were transported on ships from Africa, chained up like animals all the way to America was an example of international migration affecting the population.
External influences forced Africans to go from Africa to another continent and live there.
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How plants cope with cope stress?
Stress comes in diverse ways for plants and they are being controlled in different ways ranging from the possession of cell wall that gives rigidity which helps to cope during wind or whirl wind and also helps to maintain it shapes, also water storage vacuole helps the plants to store water for long and helps to fight drought when there is no water for usage. Furthermore, the cell wall helps against mechanical attack or physical attack, the possession of thick bark helps not to lose water easily especially to plants in dry environment or high temperature environment that allows for high transpiration.
Explanation:
