Answer:
Urinary system filters your blood, removing waste and excess water.
Your digestive system breaks nutrients into parts small enough for your body to absorb and use for energy, growth, and cell repair.
The immune system is a complex network of cells and proteins that defends the body against infection.
D. Chemosynthetic bacteria do not need light
Answer:
9:3:3:1
Explanation:
A dihybrid cross tracks two traits. Both parents are heterozygous, and one allele for each trait exhibits complete dominance *. This means that both parents have recessive alleles, but exhibit the dominant phenotype. The phenotype ratio predicted for dihybrid cross is 9:3:3:1. (There's a calculator on google that show the outcomes just to let ya know) hope it's correct .
When wood burns the mass of the soot ashes and gases equals the original mass of the charcoal and the oxygen when it first reacted
It means DNA if it's about genes