The observation that female lions prefer male lions with darker manes is an example of ____
a. directional selection
b. disruptive selection
c. dominance
d. a sexual handicap
e. sexual selection
ANSWER: e
You might also like to view...
Which group is composed of autotrophs?
A. primary producers B. primary consumers C. secondary consumers D. decomposers
Answer the following statements true (T) or false (F)
1. Red blood cells are derived from endoderm. 2. The posterior end of the neural tube will develop into the brain. 3. Cleavage occurs after implantation into the lining of the uterus. 4. The probability of the immune system attacking a transplanted organ as opposed to transfused blood is higher.
Gel electrophoresis separates DNA fragments on the basis of differences in their ________
A) A:C ratio B) length C) G:T ratio D) pH
Choose the answer that best describes the sequence of the scientific method
A) observation, hypothesis, experiment, conclusion B) guess, hypothesis, experiment, conclusion C) experiment, observation, hypothesis, conclusion D) observation, hypothesis, experiment, absolute fact E) hypothesis, experiment, observation, conclusion