Examlex
Basket stars and brittle stars belong to the echinoderm class
Radioactive Elements
Elements that spontaneously emit radiation as a result of the decay of their atomic nuclei.
Nobel Prizes
A set of annual international awards bestowed in several categories by Swedish and Norwegian institutions in recognition of academic, cultural, or scientific advances.
Ionize
The process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons.
Alpha Particles
A type of ionizing radiation consisting of two protons and two neutrons; they are a common form of particles emitted by radioactive materials.
Q4: The most fully terrestrial salamanders belong to
Q7: Compound eyes may be found in all
Q17: Flow of water over fish gills maintains
Q20: Many _ are symbiotic in the digestive
Q26: The oldest part of the bivalve shell
Q27: Snakes and lizards are superficially dissimilar.Which of
Q30: Horseshoe crabs belong to the arthropod subphylum<br>A)Chelicerata.<br>B)Arachnida.<br>C)Uniramia.<br>D)Crustacea.<br>E)Mandibulata.
Q34: One category of continuous feeders is _,which
Q37: Which of the following is NOT a
Q42: In turbellarian nervous systems,neurons carrying information to