A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
R
S
T
U
V
W
X
Y
Eukaryotes
Go back
The group of unicellular and multicellular organisms with cells having a membrane-bounded nucleus. All eukaryotic organisms possess multiple chromosomes and internal organelles. Bacteria and blue-green algae are not eukaryotes.