I think verterbrates have a back bone others do not. I only THINK so.
 
        
                    
             
        
        
        
The correct answer for this question is: "<span>B) kidneys clean the blood by filtering it to remove wastes." Kidneys clean the blood by filtering it and removing the waste.
The correct answer for this question is: "</span><span>A) secretes excess water as sweat." The role of the skin in the excretory system is to secrete waste and excess water as sweat.</span>
        
                    
             
        
        
        
Answer:
             AT             At           aT             at
AT      AATT        AATt       AaTT        AaTt
At        AATt         AAtt        AaTt        Aatt
aT        AaTT        AaTt        aaTT       AaTt
at          AaTt         AaTt        aaTt        aatt
The results of the punnet square show that one out of 16 offsprings will have both the qualities of having terminal flowers and being a dwarf. 
A punnet square can be described as a diagram which depicts the likely outcomes of a cross. In the above punnett square, for the plants to have both terminal flowers and to be dwarf, both the alleles should be recessive for the traits. 
 
        
             
        
        
        
Answer:
Food webs and food chains.
 A food web describes the flow of energy and nutrients through an ecosystem, while a food chain is a linear path through a food web
 
        
             
        
        
        
Answer:
2)They have similarities in their embryonic stages that don’t exist in their adult forms
4)They all contain a backbone, or spinal column
Explanation:
In the embryonic development of vertebrates during the early stages of development there are great similarities. Vertebrates in the early stages as shown in the image are very similar and subsequently develop the structures of their own species that differentiate them.
The presence of notocorde is a characteristic characteristic of vertebrates and birds, fish, reptile amphibians and mammals have it since they are embryos to adults