Answer: ecosystem
Explanation:
An ecosystem is a community involving several groups of organisms co-existing in the same place.it involves the interaction between the community and it's non living environment.in this Georgia backyard,the bees,lizard ,works etc are the biotic or living part of the ecosystem that co-exist together
 
        
             
        
        
        
Answer:
<em>The gene that causes hemophilia is passed from parent to child. A mother that carries the gene is called a carrier, and she has a 50% chance of having a son with hemophilia and a 50% chance of having a daughter who is also a carrier.</em>
Explanation:
 
        
             
        
        
        
Plasma Membrane is the answer
        
             
        
        
        
Answer:
Huntington's disease
Explanation:
becase it is are caused by dominant alleles of a single gene on an autosome. Changes in chromosome number can lead to disorders like Down syndrome.