Fleas are the intermediate host for Dipylidium caninum tapeworm, and dogs are the definitive host. Which stage of the parasite could be found in the flea?
a. cysticerus larva
b. proglottids
c. scolex
d. adult
Ans: d. adult
Biology & Microbiology
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The evolution of flower symmetry is best explained by
A. a new gene mutation. B. the modification of an existing gene for a new function. C. homoplastic convergence. D. gene duplication and divergence. E. conserved genes.
Biology & Microbiology
Explain how ozone (O3) is both beneficial and harmful to life. What will be an ideal response?
Biology & Microbiology
Glycolysis converts glucose into two ________ molecules.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
What is the most extensive surgery for breast cancer is?
A. Modified radical mastectomy B. Radical mastectomy C. Simple mastectomy D. Lumpectomy
Biology & Microbiology