Adjective
Of
or
relating
to
animals
.
Noun
Any
eukaryote
of
the
clade
;
a
that
is
usually
,
whose
s
are
not
encased
in
a
rigid
(
distinguishing
it
from
and
)
and
which
derives
energy
solely
from
the
consumption
of
other
s
(
distinguishing
it
from
s
).
Adverb
brutally