which is one characteristic of life that an organism does not have to display but still can be considered alive

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

The activity of the modern sample is 1.10 bq . how long does that measurement take?

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees