Science Missing Letters

Name: ______________________   Date: ____________

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

1.
u i m
The relation between two different species of organisms that are interdependent
2.
p l a
Any of the minute blood vessels connecting arterioles with venules
3.
u c
Center of an atom or a cell
4.
l
The hand that is on the ___ side of the body
5.
l l
A rigid layer of polysaccharides enclosing the membrane of plant and prokaryotic ___
6.
m t o
A business relation in which two parties ___ to gain customers
7.
g y
A group of organisms sharing a specific genetic constitution
8.
h g o
Having identical alleles at corresponding chromosomal loci
9.
a t
The type of environment in which an organism or group normally lives or occurs
10.
r t
A blood vessel that carries blood from the heart to the body