it's pumice also known as the worlds lightest rock because it can float on water
a diamond that looks like a rock
tiny particles from rock.
metamorphic rock
a yardang is a rock in the desret. The yardang is formed by wind which blow against the rock to erode it. usually, the yardang looks like a ships hull
Basalt rock looks very dark due to the iron content. It is a dark grey rock that is very hard and is normally pilled up in stacks.
Sea squirts have a body shape that looks like a sponge or a rock.
The caterpillar for the Dasychira Pudibunda moth resembles a sponge. This caterpillar is yellow and from a distance looks like a very small sponge.
Sponge
sponge bob looks like a square because he is supposed to look like a dish washing, house hold sponge
an cancer rock
Bone marrow.
A larva is an immature form of a sponge looks very different from the adult sponge.
pumice
At times its Ms. Puff.
This Is What Rock n' Roll Looks Like was created in 2009.
a rock that looks like a flower
A non porous rock is a rock which has interlocking grains so water can't get into it. A porous rock is like a sponge and a non porous rock is like a stone.