The linnaean system of classification used a nested hierarchy to sort organisms into groups based on similarities and differences in their characteristics.
kingdom → phylum → → order → family → genus → species

what category is missing from the above system?
a.
unicellular
b.
domain
c.
class
d.
eukaryote

Dna is colied into chromosomes in a cell

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

It is believed that europa, one of jupiter’s moons has an ocean beneath its surface. based on how earth’s oceans and atmosphere are believed to have formed, what can be said about europa’s supposed ocean? the arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced , similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s .