Answer:
B because when it hits its carry capacity its survival of the fittest to live
A gateway substance is something that may be menial but could lead to something bigger, an example is weed in the drugs world, weed is not hard to get and is usually a gateway drug to stronger types of drugs and potentially more dangerous
The answer is A. To answer scientific questions accurately
Some mutations don't have any noticeable effect on the phenotype of an organism. This can happen in many situations: perhaps the mutation occurs in a stretch of DNA with no function, or perhaps the mutation occurs in a protein-coding region, but ends up not affecting the amino acid sequence of the protein.
Well I’m fairly certain it’s D or blood type O.
Reasoning: If of parents have blood type O than there is really no way that the child can get blood type O. It can be A from one of the parents, B from one of the parents, or which is most common in this circumstance, an AB blood type. I’d compare it like to building legos. Can you build a millennium falcon if you don’t have the right legos? No, but you can combine the other two lego sets to make something else. Weird comparison but thats a very simple explanation of why