Every animal has a distinct body plan.  which of these animals has a radially symmetrical body plan?

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

The distribution of related animals and plants across the world