In what way are cilia and flagella similar?
a. They both propel a cell in the same way.
b. They both occur in great numbers.
c. They are identical in structure.
d. They are both of the same length.
Ans: c. They are identical in structure.
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What type of selection would include the evolution of a long neck in giraffes?
A) stabilizing selection B) directional selection C) diversifying selection D) disruptive selection
In fruit flies the gene for vestigial wings will produce tiny underdeveloped wings at room temperature but will produce normal wings at higher temperatures. The vestigial condition in fruit flies is determined by
A. heredity and environment. B. pleiotropy. C. linkage. D. gene imprinting.
The theory of chromosomal inheritance was first proposed by
A. Mendel. B. Morgan. C. Sutton. D. Knight. E. Stern.
Why are fungi important in recycling woody plants?
A) Fungi have the internal digestion necessary to digest wood. B) Woody plants occupy the same environment as fungi. C) Fungi digest chloroplasts. D) Fungi are the only organisms capable of digesting both cellulose and lignin.