Answer:
About four or five days after fertilization, a group of cells forms a ball-like
structure. What is the name of this structure?
After fertilization, a zygote is formed afterwards which carries the genetic materials passed across from both parents
Explanation:
Law of conservation of mass states that overall mass can neither be created nor destroyed. It means, that mass in left hand side & right hand side of the reaction would always remains constant
Hope this helps!
A trait is the organism's feature. So, a trait would be eye color. A phenotype would be hazel. An allele is a gene. It can be recessive or dominant.
D. sustainability increases i think
