How do you maintain a constant “water level” ?
lol i’m confused

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

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

Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?