Well, there is nothing given to list, but I kinda know because I actually liked biology class.
Advantages include:
Variation in offspring - this is really important to the survival of a species. Variety in DNA allows an offspring child thing being to be able to adapt to new environments and immune system attack and evolve gaining better and better traits for survival.
It also increases the chance of at least some offspring.
Answer:I’m not sure but I think it is the last one
Explanation:
In observing, we have our 5 senses (smell, taste, touch, see, hear) meaning scientists uses their 5 senses to be able to have a prediction or a hypothesis about the problem.
As I see it. Answers are all “A”