Answer:
water, air , nutrients
Explanation:
water for circulation , air for breathing , nutrients for growth
A karyotype is an organized profile of a person's chromosomes. Two chromosomes specify sex, XX for female and XY for male. The rest are arranged in pairs, numbered 1 through 22, from largest to smallest. This arrangement helps scientists quickly identify chromosomal alterations that may result in a genetic disorder.
A The observed differences in plants height are due to genetics.
I believe it is organ level