I think it resembles the nervous system because like the nucleus, the brain controls body functions while the nucleus controls the cell’s functions.
Answer:
To ensure their survival by reproducing
2. the inability to adapt to its environment. if a bird lives in a tree and itgets cut down it has to find a new tree. it has to adapt..find a new habitat. if it can't do that, it has no shelter and dies
<span>Additional facts:
A test cross between an organism whose genotype for a certain trait is unknown and an organism that is homozygous recessive for that trait so the unknown genotype can be determined from that of the offspring.
Answer:
You'd use it when you wish to see if the one that you think is a homozygous dominant is a purebred, because if you did get a recessive offspring then it proves that the animal is a heterozygous and not a purebred.</span>
