Maybe like a granola bar because granola bars is an easy quick and go
Radial symmetry can be likened to a pizza or bicycle wheel, where all the parts are equal and arranged around a central axis.
An example of organism with radial simetry is the hydra if you take a central axis and planes that contain that axis both sides would be symetrical
Tolerate heat because if the animal cant take the heat they wont survive in the desert
Answer:
they are used to control pests is not a role