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<h3>Evolution may be defined as any net directional change or any cumulative change in the characteristics of organisms or populations over many generations—in other words, descent with modification… It explicitly includes the origin as well as the spread of alleles, variants, trait values, or character states.</h3>
<h3>Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways. This variation means that some individuals have traits better suited to the environment than others</h3>
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101
RESOURCE LIBRARY COLLECTION
ABIOTIC FACTORS
An abiotic factor is a non-living part of an ecosystem that shapes its environment. In a terrestrial ecosystem, examples might include temperature, light, and water. In a marine ecosystem, abiotic factors would include salinity and ocean currents. Abiotic and biotic factors work together to create a unique ecosystem.
Learn more about abiotic factors with this curated resource collection.
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option number 2 or 4 Hope this helps
<span>Membrane permeable to a liquid (solvent) and impermeable (or poorly permeable) to substances dissolved in the liquid (solute). It can be natural or synthetic.
Depending on the membrane and solute, the permeability may depend on the size, solubility, properties, or chemical composition of the solute itself.
If molecules are small enough, then it can pass through the semi-permeable membrane, because the permeability is </span>inversely proportional to the molecule size.
<span>For example in hemodialysis, electrolytic equilibrium and toxics' elimination are performed by subjecting the patient's blood to the dialysis physical principle. It is made to slide in a filter in which it comes in contact with a semi-permeable membrane through which pass only or at least in a greater quantity of toxic substances) that you want to remove.</span>
