Which of the following best describes an annelid's segmentation?
a) having a head, thorax, and abdomen
b) having cephalization
c) having individualized compartments
d) having a separate mouth, esophagus, gizzard and crop for digestion
e) having 5 hearts

How does friction with the atmosphere affect the speed of an artificial satellite

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 macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes