Amphibia is the class of vertebrates which is considered to be the first to develop lungs. This allowed amphibians to live successfully on land as terrestrial organisms. Ichthyostega was the first primitive amphibians with nostrils and lungs. Amphibians adopted themselves to live on land with developed lungs. 
 
        
             
        
        
        
Hey You! 
I believe the correct answer to your question is: Endangered Species. (Also called threatened species). 
I Really Hope This Helped You, Good Luck With Your Studies! =)
        
                    
             
        
        
        
Answer:
It could largely impact the way you look.
Explanation:
Since 100% of your DNA decides how you look, if even one thing changes, one part of your look would change. Sometimes it's something big like eye color, or sometimes like a small change in skin color.
 
        
             
        
        
        
1. Photosynthesis produces two products, glucose and oxygen. 
2. Respiration will take the products of photosynthesis and convert them into carbon dioxide and water. 
        
             
        
        
        
Answer: <u>Human intellect</u>
Explanation:
Adaptability refers to one's ability to readily  react to changes in one's environment. Humans easily adapt to changes and even modify or change our environment to solve obstacles or issues. This is integral to human intellect or intelligence -we are highly adaptive, capable of execution and organizing complex tasks.