The half life of a radioactive isotope is the amount of time it takes for half of the isotopes to decay. However, you do not need to wait the whole half life to measure decay
I’m pretty sure:) hope this helps
Answer:
Homologous genes that are highly conserved.
Explanation:
Phylogenetic trees are diagrams that represent evolutionary relationship between organisms.
It is set to represent the hypothesis that a set of species evolved fro the same ancestor.
Anatomical similarities are considered in the construction of the trees.
However , two organisms can be placed in the same tree by comparing their genes.
If the two eukaryotes have genes that are highly conserved that similar.
Glycine, histidine, proline
Answer: the tissue
Explanation:
Tissue is the beginning of a cell in the external human body
