Answer:
to see if they can find any other information to see what it worth how valuable it is or wht it is
 
        
             
        
        
        
The control group in this experiment is the group of tomatoes that do not receive any fertilizers i.e. fourth tomato plants. 
<h3>What is Fertilizer?</h3>
Fertilizer may be defined as any chemical or natural substance which is added to the soil with the intention of enhancing productivity. 
All those groups of tomatoes in which fertilizers are added behave as a reference group while those in which fertilizer is not added behave as a control group. 
Therefore, it is well described above.
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The parental phenotype is the mother's free earlobes (Ff) and the father's nonfree earlobes (ff).
<h3>What genotype and phenotype?</h3>
The genotype refers to the information present in an individual's genome. Unlike the phenotype, it is not observable and rarely changes. The phenotype, in turn, depends on a combination between our genotype and the environment and can be defined as the observable characteristics of an individual.
With this information, we can conclude that the parental phenotype is the mother's free earlobes (Ff) and the father's nonfree earlobes (ff).
Learn more about genotype in brainly.com/question/12116830
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Animals- that have thick layer of blubber or fur
is the correct answer......
HOPE IT HELPS YOU '_'
        
                    
             
        
        
        
Answer: right bottom is kidney 
Left bottom is liver
Q. 4 part a, The excretory system. 
B, kidney: The kidneys make urine by filtering wastes and extra water from blood. Urine travels from the kidneys through two thin tubes called ureters and fills the bladder.
 And Q. 5 order, 3, 2, 1, 4.
Explanation: