I'm not sure but it might be C
        
             
        
        
        
The correct answer is: first level.
Maslow's hierarchy of needs is a theory in psychology that is represented by hierarchical levels of human needs within a pyramid. There are five levels of needs:
1.	Physiological (food, water, rest..),  
2.	Safety ,  
3.	love and belonging (friends, intimated relationships),  
4.	esteem (feeling of accomplishment),  
5.	self-actualization (achieving your own potentials).  
 
        
             
        
        
        
Answer:
As with sea horses, sea dragon males are responsible for childbearing. But instead of a pouch, like sea horses have, male sea dragons have a spongy brood patch on the underside of the tail where females deposit their bright-pink eggs during mating.
 
        
             
        
        
        
Answer:
A population is a group of organisms of the same species, in the same place
A species is a group of organisms that are genetically similar
Explanation:
I like to remember it with humans.
Humans (homo sapiens) are a species. We are all genetically similar and can share genetic material by reproduction. 
In a city, a lot of humans are together and that is a population of humans
As a species however, we are all over the place