Which class of animals has the largest number of species?
A. Arachnida
B. Insecta
C. Gastropoda
D. Bivalvia
E. Arthropoda
B
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After being exposed to high intensity light for some time, how will leaf chloroplasts be organized?
a. Chloroplasts will move toward internal tissues. b. Chloroplasts will move toward leaf surfaces. c. Chloroplasts will be distributed at either end of the cell. d. Chloroplasts will not be able to adjust positions. e. Chloroplasts will evenly distribute across the cell.
What are the three main functions of the stomach?
What will be an ideal response?
Which one of the following does not match a component of the amniotic egg with its primary function?
A. Shell-porous, protective covering B. Yolk sac-provides food for the embryo C. Allantois-segregates nitrogenous wastes from embryo D. Chorion-exchange of respiratory gases; retention of water E. Amnion-encloses embryo within an oxygen-filled cavity
Systematists often use DNA sequencing in ________, the study of the order of evolutionary events within a group sharing derived characters.
Fill in the blank(s) with the appropriate word(s).