Which sentence should be revised to replace repeated words that appear in other sentences?

(1) If you like wildlife, then you might think about
lending a hand at the local nature center.
(2) Many
kinds of animals that need daily care and feeding
are there.
(3) Some of the volunteer work at the
local nature center requires extra training,
depending upon which animals you would like to
care for.
(4) It is a great place to get experience if
you would like a future career in wildlife rescue
and rehabilitation.