#Question id: 10945
#Unit 7. System Physiology – Animal
A 65-year-old alcoholic developed chest pain and cough with an expectoration of sputum. A blood sample revealed that his white blood cell count was 42,000/μl. What is the origin of these WBCs?
#Question id: 3435
#Unit 11. Evolution and Behavior
You turn on a light and observe cockroaches scurrying to dark hiding places. What have you observed?
#Question id: 10217
#Unit 6. System Physiology – Plant
Another effect that appears to be a major factor in the stability of the photosynthetic apparatus, which occurs when excess excitation arriving at the PSII reaction center leads to its inactivation and damage is known as
#Question id: 3501
#Unit 11. Evolution and Behavior
following graph related with mate choice during natural selection ? Which of the following correct?
a. male investment exceed that of female
b. female investment exceed that of male
c. Reproductive investment by the sexes is strongly influenced by differences in the degree of parental investment
d.leads to male mate choice
e. overall increase fitness
f.female mate choice
#Question id: 3483
#Unit 11. Evolution and Behavior
Which of the following statements about evolution of behavior is correct?
A) Natural selection will favor behavior that enhances survival and reproduction.
B) An animal may show behavior that maximizes reproductive fitness.
C) If a behavior is less than optimal, it is not completely evolved but will eventually,become optimal.