A fecundity table is constructed for a gray squirrel as follows
________________________
x lx bx lxbx
0 1.0 0.0 0.00
1 0.3 2.0 0.60
2 0.15 3.0 0.45
3 0.09 3.0 0.27
4 0.04 2.0 0.08
5 0.01 0.0 0.00
On the basis of these calculations, the net reproductive rate (R0 ) is equal to
A) 1.4.
B) 1.59.
C) 10.
D) 15.
A
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Lions in east African safari parks learn to ignore the presence of safari vehicles. This form is learning is
A. compensatory. B. operant. C. cognitive. D. sign stimulus. E. habituation.
________ describes an organism that can function in an aerobic or anaerobic environment.
Fill in the blank(s) with the appropriate word(s).
Lamins are associated with
a. myosin. b. microtubules. c. intermediate filaments. d. microfilaments. e. all of these.
If DNA replication were fully conservative, how many intact parental double helices would have been detected in Meselson and Stahl's experiment after three rounds of replication?
A) 7 B) 3 C) 8 D) 0 E) 1