What kind of macromolecule is shown below? CH, OH
C
CH, OH
н
Н
н
н
но
ОН
о
Н
-т
но
сн, он
І от 8
G
H
ОН
НО
он
н

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 these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic