Anatomical there are similarities among many organisms. Homologous structures <span>found in different species that are anatomically similar because they have been inherited from a common ancestor.</span>
        
                    
             
        
        
        
A type of growth that a population may show when food and habitat are limitless is exponential population growth.
<h3>What is exponential population growth?</h3>
The case in which resources are limitless a population can experience exponential  population growth where the size increases at a greater rate.
Exponential growth occurs when there is large quantity of resources are present and few individuals are there to utilize it 
When number of individuals increases the resources will depleted and growth rate will slow down.
Therefore, exponential population growth is the type of growth in which resources are plenty in comparison of population.
Learn more about exponential population growth here:brainly.com/question/14290652
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Paliozoic era- sea life 
Mezazoic era- dinorours
Centozoic era- current time
        
             
        
        
        
The gradual evolution for the family Equidae (horse family) has been well documented within the fossil record.