Segmentation is the subdivision of the body into segments. True segmentation is found in which of the following phyla?
A. Mollusca, Chordata, Annelida
B. Arthropoda, Chordata, Porifera
C. Annelida, Mollusca, Arthropoda
D. Arthropoda, Annelida, Chordata
E. Echinodermata, Platyhelminthes, Cnidaria
Answer: D
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A. assimilation; gains B. assimilation; loses C. anammox; gains D. anammox; loses E. anaerobic respiration; gains F. anaerobic respiration; loses
When genetic variation occurs among subpopulations of the same species, it is known as genetic ________
Fill in the blank(s) with correct word
vitamin responsible for synthesis of collogen
What will be an ideal response?
Periodic disturbances of the Pacific currents that cause global weather changes are given the name
A. the Humboldt current. B. the Japan current. C. west equatorial drift. D. gyrals. E. El Niño.