What are the stinging organelles of Cnidarians called?
a. Collar cells
b. Nerve nets
c. Nematocyst
d. None of these choices
e. Mesoglea
c
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The methanogenic archaeans are ____ that pull
electrons from ____. a. chemoautotrophs; oxygen b. chemoheterotrophs; carbon dioxide c. chemoautotrophs; water d. chemoheterotrophs; methane e. chemoautotrophs; hydrogen gas
Ribosomes are organelles that function in ____
A. plasma membrane selectivity B. cellular energy production C. synthesis of gene products D. transport of materials throughout the cytoplasm E. DNA replication
Evaluate and explain this statement: An angiosperm plant could be described as the ultimate "solar energy organism."
What will be an ideal response?
The recent reassessment of animal classification is the result of
A. new, genetically engineered species. B. developing resistance to antibiotics. C. comparison of molecular data. D. new data from Carl Linnaeus. E. new morphological data.