Term: sea urchin: shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells
Broader: organism: a living thing that has (or can develop) the ability to act or function independently | Unrelated: reproductive system: organs and tissues involved in the production and maturation of gametes and in their union and subsequent development as offspring
Broader: organism: a living thing that has (or can develop) the ability to act or function independently | Unrelated: producer gas: a gas made of carbon monoxide and hydrogen and nitrogen; made by passing air over hot coke
Broader: organism: a living thing that has (or can develop) the ability to act or function independently | Unrelated: energy: forceful exertion
Broader: organism: a living thing that has (or can develop) the ability to act or function independently | Unrelated: dessert spoon: a spoon larger than a teaspoon and smaller than a tablespoon
Broader: organism: a living thing that has (or can develop) the ability to act or function independently | Unrelated: sharpie: a pen with indelible ink that will write on any surface
Broader: organism: a living thing that has (or can develop) the ability to act or function independently | Unrelated: priest-penitent privilege: the right of a clergyman to refuse to divulge confidential information received from a person during confession or similar exchanges
Broader: organism: a living thing that has (or can develop) the ability to act or function independently | Unrelated: disbandment: the act of disbanding
Broader: organism: a living thing that has (or can develop) the ability to act or function independently | Unrelated: satellite: a person who follows or serves another
Broader: organism: a living thing that has (or can develop) the ability to act or function independently | Unrelated: pinus: type genus of the Pinaceae: large genus of true pines
Broader: organism: a living thing that has (or can develop) the ability to act or function independently | Unrelated: hormone replacement therapy: hormones (estrogen and progestin) are given to postmenopausal women; believed to protect them from heart disease and osteoporosis