How do living things maintain the high level of organization that they need to survive?

What does gradualism and punctuated equilibrium have in common

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

Add solid urea to a beaker of water. the beaker gets very cold. is δh favorable or