What are the two groups of archaebacteria

Which organism is the producer in this food web? 7th grade question. a) arthropods b) birds c) fungi d) plants

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

What form of anesthetic was used for field surgery