Examlex
Which of the following factors can be corrected to adjust the isodose lines of beams with oblique incidences?
I.PDD
II.TAR
III.TMR
Radial Symmetry
A symmetrical arrangement in which body parts radiate out from a central point, common in animals like jellyfish and starfish.
Embryonic Opening
The embryonic opening refers to the blastopore, an early stage in the development of an embryo that can develop into the mouth or anus in different animal groups.
Chelicerates
A subgroup of arthropods that includes spiders, scorpions, ticks, and mites, characterized by the presence of chelicerae, which are claw-like mouthparts.
Crustaceans
Mostly marine arthropods with a calcium-hardened cuticle and two pairs of antennae; for example, lobsters, crabs, krill, and barnacles.
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