Mixture should be the answer.
The zygote, a single cell, implants its self to the uterine wall and it developes into an embyro which is a cluster of cells.
Answer:
I think its true ..... ...
Density. Density is the measurement of how much matter is in a substance
Phylogeny
uses communal ancestry to group organisms and further nest them into bigger and
bigger groups. This is also a study of evolutionary relationships among
organisms. Visible characteristics such as anatomical and behavioral traits, as
well as biochemical (enzymes, proteins, pigments, etc.) and genetic traits
(nucleotide sequences) that need more modern techniques to detect.
