Characteristics of Life

Name: ______________________   Date: ____________

Write the missing letters on the lines to finish each word.

1.
e e
A segment of DNA that is involved in producing a polypeptide chain (plural)
2.
o d c e
To have offspring or produce more individuals of a given animal or plant
3.
s n e y
4.
p t r e n
5.
l s
Tiniest unit of living things (plural)
6.
r o
To pass into a condition gradually, take on a specific property or attribute
7.
r e s
To show a ___ or a reaction to something
8.
n o n e n
The natural world around us
9.
v l e
10.
m e o s s
Metabolic equilibrium actively maintained by several complex biological mechanisms that operate via
11.
r t
To undergo a chemical ___
12.
m i n a
To cause to continue in a certain state, position, or activity
13.
u l i f e
14.
u n s
Any living or extinct member of the family Hominidae characterized by superior intelligence (plural)
15.
n i m
Living things like dogs and birds
16.
c e r a
Tiny single-celled living things, some of which cause illness
17.
l n s
Living things like trees and flowers that grow in soil