Members of the ____ lineage, known as bristle worms, are found primarily in marine environments and are
characterized by the presence of parapodia.
a. Hirudinea
b. Polychaeta
c. Monogenoidea
d. Cestoda
e. Oligochaeta
ANSWER: b
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Discuss the various aspects of cancer, such as the difference between a benign and a malignant tumor, communication
in cancer cells, metastasis, and carcinogens. What will be an ideal response?
The characteristic ____________of a radioisotope
allows us to determine the age of rocks and fossils using a technique called __________ Fill in the blank(s) with the appropriate word(s).
What is the distribution of phenotypes from a cross of purple tall pea plants that are heterozygous for flower color and plant height? (Purple is dominant to white; tall is dominant to dwarf.)
A. 27 purple dwarf; 28 purple tall; 31 white dwarf; 29 white tall B. 132 purple tall; 138 white dwarf C. 100% purple tall D. 54 purple tall; 6 white dwarf E. 63 purple tall; 28 purple tall; 27 white dwarf; 7 white dwarf
The typical carbon atom is described in the periodic table by the accompanying box. How many protons are in a typical oxygen atom?
A. 12 B. 8 C. 18 D. Not enough information given