Which class has two shells hinged at the dorsal side and lack a radula?
a. Monoplacophora
b. Gastropods
c. Scaphopoda
d. Bivalvia
d. Bivalvia
Members of the class Bivalvia have two shells hinged at the dorsal side and lack a radula. Clams, oysters, and scallops are members of this class, and are found in marine and freshwater habitats.
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Burning fossil fuels releases carbon dioxide into the atmosphere. This additional carbon dioxide is causing a phenomenon called global warming. Which process "put" the carbon into our fossil fuels? Explain the process
What will be an ideal response?
If both homologous chromosomes of each pair exist in the same nucleus, that nucleus is
a. diploid. b. unable to undergo meiosis. c. haploid. d. none of the above.
Contractions of the dome-shaped __________ and the intercostal muscles between the ribs alter the
volume of the thoracic cavity during breathing. Fill in the blank(s) with the appropriate word(s).
Dideoxynucleotide sequencing methodologies rely on the ability of dideoxynucleotides to facilitate chain extension after incorporation by DNA polymerase.
Answer the following statement true (T) or false (F)