Micro-organisms
Name: ______________________ Date: ____________
Write the missing letters on the lines to finish each word.
1.
i
c
e
s
A minute life form (plural)
2.
r
o
r
g
i
s
Any organism of ___ size
3.
a
c
e
a
Tiny single-celled living things, some of which cause illness
6.
u
i
The taxonomic kingdom including yeast, molds, smuts, mushrooms, and toadstools
8.
o
t
s
Free-living or colonial organisms with diverse nutritional and reproductive modes
10.
P
a
k
n
The aggregate of small plant and animal organisms that float or drift in great numbers in fresh
11.
a
r
o
t
e
An organism with cells characteristic of all life forms except primitive microorganisms such (plural)
12.
S
l
The state of being covered with unclean things
14.
e
a
A commercial leavening agent containing ___ cells
15.
i
k
White drink that comes from cows
16.
P
r
o
k
t
A unicellular organism having cells lacking membrane-bound nuclei (plural)
17.
M
i
b
l
o
y
The branch of biology that studies ___ and their effects on humans