Which phylum includes members with radial symmetry that use their two tentacles to capture prey?
a. Cnidaria
b. Ctenophora
c. Rotifera
d. Nematoda
Ans: b. Ctenophora
Biology & Microbiology
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Stramenopiles are unique in that they possess:
A. double plastids B. hairy flagella C. alveoli D. flexible protein ribbons beneath the plasma membrane E. calcium carbonate crystals
Biology & Microbiology
Cytoplasmic localization in animal eggs gives rise to ________
a. the yolk b. mRNA transcripts c. the polarity of the embryo d. two identical embryos
Biology & Microbiology
Irregular heart beat is known as _____
a. tachycardia b. arrhythmia c. bradycardia d. atrial fibrillation e. hypertension
Biology & Microbiology
Explain the significance of Archaeopteryx as a transitional fossil in our understanding of phylogenetic relationships
What will be an ideal response?
Biology & Microbiology