Rarefaction in terms of ecology can be defined as a technique used to assess species richness from the results of sampling. 
It allows the calculation of richness of a particular species for a given number of individual samples, and these are based on the construction of rarefaction curves.
Hence, the correct answer is: option A-Creating a representative sample
 
        
                    
             
        
        
        
The genotypes of the parents to produce offspring with the genotypes FF and Ff are FF and Ff.
<h3>What is Punnett square?</h3>
The Punnett square is a graphical representation used to determine the frequency of a given genotype.
In this case, the Punnett square may be (alternatively, parents can also be heterozygous):
       F     f
F   FF   Ff
F   FF   Ff
In conclusion, the genotypes of the parents are FF and Ff.
Learn more about Punnett square here:
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Answer:Water is absorbed by osmosis and lipids by passive diffusion throughout the small intestine.
Explanation:In the colon endocrine mechanisms used include: Aldosterone – increases the net absorption of water and electrolytes by stimulating the basolateral sodium-potassium ATP-ase. This increases the electrochemical gradient and driving force for sodium absorption.
 
        
             
        
        
        
Chemically speaking, enzymes are composed of chains of amino acids, and they are considered to be a type of protein.
        
             
        
        
        
Which valuable mineral is often found in the rock called kimberlite?<span>A. gold
B. silver
C. diamond
D. platinum
Diamond is one of the most common minerals found in the rock called kimberlite. </span>