Any product of natural selection that increases the relative fitness of an organism in its environment is called a(n)
____.
a. neutral mutation
b. adaptive trait
c. founder effect
d. speciation event
e. polymorphic trait
ANSWER: b
You might also like to view...
Which of the following is not present in DNA?
A. Alpha carbon B. Minor groove C. 5'-carbon D. 3'-hydroxyl E. Double helix
In skeletal muscle contraction, an increase in ____in the cytosol triggers the crossbridge cycle
a. troponin b. Ca2+ c. tropomyosin d. ATP e. acetylcholine
An internal checkpoint can be found where?
a. after anaphase b. after telophase c. during metaphase d. after the S phase
In cocker spaniels, black coat color (B) is dominant over red (b), and solid color (S) is dominant over
spotted (s). If two dihybrids (Bb Ss) were crossed, the most common phenotype would be a. black and solid. b. black and spotted. c. red and solid. d. red and spotted. e. none of these.