The average life span of most isopods is about 2 years but some have lived as long as 5 years.
(The average life span of most isopods; is; about 2 years) (some; have lived; T:as long; T:as 5 years)
The average life span of most isopods some
is have lived
about 2 years
T:as long T:as 5 years