Answer:
1. Either porifera or asymmetrical 
2. Invertebrate
3. filtering
4. Axis
5. I don't know this one, I'm sorry.
6. Exoskeleton
7. Cold-Blooded creature
8. Vertebrate
9. Endoskeleton
10. Warm-blooded animal
Good Luck! Hope I wasn't too late.
 
        
             
        
        
        
Androgen hormone is the primary determinant of whether a baby will develop male or female external genitalia.
Androgen is usually a steroid hormone. The predominant and most active androgen in testosterone, which is produced by the male testes. Some androgens are naturally produced in the body and if the body doesn't make them properly they can be obtained through prescription medication.
        
             
        
        
        
Answer:
No, they do not have backbones
Explanation:
 
        
                    
             
        
        
        
MRNA has a complex secondary structure; 3D. While tRNA is more like an X figure.
        
             
        
        
        
Answer:
They all came from the big bang.
Explanation: