The organism labeled B in the accompanying figure is a common ancestor to:
a. organism 2 only.
b. organism 3 only.
c. organism 5 only.
d. organism 6 only.
e. organisms 2, 3, 5 and 6.
e
You might also like to view...
Which one of the following incorrectly matches a molluscan structure with its typical function?
A. ctenidia—secretion of the shell (when present) B. visceral mass—houses organs of digestion, excretion, reproduction C. foot—locomotion D. nephrostome—collection of nitrogenous wastes E. radula—feeding organ
What relationship exists between offspring size, number, and parental care?
a. Both more numerous and larger offspring tend to increase parental care. b. More offspring tends to increase parental care, while larger offspring tends to decrease parental care. c. More offspring tends to reduce parental care, while larger offspring tends to increase parental care. d. Both more numerous and larger offspring tend to decrease parental care.
Microbiota Comparison Among Animals
What will be an ideal response?
When a B cell contacts a foreign or abnormal antigen, it develops into a ________ that releases ________.
A) macrophage : histamine B) macrophage : antibodies C) plasma cell : histamine D) natural killer cell : antibodies E) plasma cell : antibodies