The only mammal that resembles a rock is a rock hyrax. It is a small mammal that is the same color as many rocks. It has a short neck and stubby legs and toes. When it is laying down, it resembles a rock.
Stonefish. The fish looks like a stone and looks rather brown
a stonefish
snipes
there are a number of species of sea sponges if that is what you mean by "sponge".and it depends on the species if it does resemble a plant, some does or I think it does and some looks more like corals or so.
Mold
This Is What Rock n' Roll Looks Like was created in 2009.
a rock that looks like a flower
A rock that looks like gold
it got its like wave rock because it looks like a wave
a metamorphic rock looks like any other rock you could find.
a diamond that looks like a rock
Igneoys
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No. Unless it's coal, which looks like a soft rock.
the biggest rock in the world is mt.agustus
Stonefish. The fish looks like a stone and looks rather brown
Yes It Says On A Film The Mummy That One Of The Characters That Looks Like The Rock Is Dwayne Johnson