Examlex
Order the elements S,Cl,and F in terms of increasing ionization energy.
Jointed Appendages
Refers to appendages with joints, enabling movement, commonly found in arthropods such as insects, spiders, and crustaceans.
Nematocysts
Specialized cells in cnidarians, such as jellyfish, that eject a stinging thread for capturing prey or defense.
Cnidarian
Radially symmetrical invertebrate with two tissue layers; uses tentacles with stinging cells to capture food.
Cnidocyte
Stinging cell unique to cnidarians.
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