Can I see the models?? I don´t know what the cactus looks like/
Answer
a good environment could mean better people better love and kindness bad environment could mean problems in your future and/or daily life this can affect everybody and anybody
Explanation:
This can happen because you have recessive and dominant characteristics passed down. So you can get a totally different chromosome that doesn't come from your parents because your grandparents may have had it or great grand parents, the line keeps going .
The brain and spinal cord are both structures of the central nervous system.
The answer is D hope it helps