Which of the following is not bilaterally symmetric?
a. turbellarian
b. lamp shell
c. ribbon worm
d. phoronid
e. comb jelly
E
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The age structure diagram for countries with a
2.1 total fertility rate is indicated by a. A. b. B. c. C. d. D. e. none of these.
The validity of a prediction in the scientific method is determined by experimentation or observation
Indicate whether the statement is true or false
All the following are important functions of the cytoskeleton EXCEPT
A) maintenance of organization in the cell. B) movement of organelles. C) maintenance of shape. D) storage of food molecules. E) assistance during cell division.
A new flower species has a unique photosynthetic pigment. The leaves of this plant appear to be blue-green. What wavelengths of visible light does this pigment reflect?
A. blue and violet B. green and blue C. green, red, and violet D. red and yellow E. red, yellow, and green