Radially means something going straight out from a center, like the spokes on an old style wooden cartwheel. Symmetrical means something that looks the same on both sides of a center line. A bullseye target like ones used for tartget practise for instance would be radially symmetrical, any which way you turn it around its center it'd still look the same.
No but an isosceles trapezoid is symmetrical.
example of symmetrical distribution
No. A polygon can be symmetric but need not be. In fact, the majority of polygons are not symmetrical.
regular flowers are flowers with petals and sepals arranged around the center like the spokes of a wheel and that is thus radially symmetrical. irregular flowers are flowers with petals that are not uniform in size or shape. For example, mint, ajuga
yes
no
yes
Polyps are radially symmetrical.
the Aboral
bilaterally symmetrical or radially symmetrical
I belive 1%
nope. Some bivalves have bilateral symmetry but no radial symmetry.
Brain corals are hemispherical or spherical in shape resembling a brain. They must me radially symmetrical organism.
Cnidaria have two basic body forms: swimming Medusae and sessile Polyps, and they are both radially symmetrical.
Anenome.
Yes, cnidaria is radially symmetrical. Like jelly fishes, they have a wheel and tube structure, which is radially symmetrical.
porifera & echinodermata