Answer:
Some examples of primary succession include the formation of a new ecosystem after a volcano, glacier outbursts, or a nuclear explosion. Some examples of secondary succession include succession after fire, harvesting, logging, or abandonment of land or the renewal after a disease outbreak
I am pretty sure it is animal cells and plant cells considering I learned that last year in 6th grade
Increase
Explanation:
Vegetation reduces surface runoff hence reducing soil erosion in several ways. The roots of plants bind together tightly the particles of the soil so it is not easy for erosion agents to carry the soi. The organic matter produced by this vegetation provides organic matter in which the soil particles bind tightly into humus that has larger particles that are not easily carried by elements of erosion. The vegetation also breaks winds and surface runoffs hence reducing their energy and their capacity to carry soil particles. Therefore, without vegetation, soil is exposed and vulnerable to agents of erosion.
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The lower parts of the brain function primarily in Survival, whereas the outer layer of the brain functions mainly in thought. The medulla oblongata is the lower half of the brainstem continuous with the spinal cord. The medulla contains the cardiac, respiratory, vomiting and vosomotor centres dealing with heart rate, breathing and blood pressure. The outer layer which is the space between the two hemispheres is the longitudinal fissure. The corpus callosum connects two sides and transfers signals from one side of the brain to another.
Answer:
In gram staining, 95% ethanol is used to destain the gram-negative bacteria but gram-positive bacteria do not get destain because peptidoglycan layer in gram-positive cell wall does not allow crystal violet- iodine complex to come out of the cell wall.
Gram-negative bacteria do not have peptidoglycan cell wall and so crystal violet comes out of the cell wall by using 95% ethanol because ethanol dissolves the lipopolysaccharide membrane of gram-negative bacteria and allow the dye to leak out.
Therefore if I forgot to apply 95% ethanol than crystal violet dye will not come out of the lipopolysaccharide cell wall of gram-negative bacteria and it will appear violet under the microscope.
