Arrange the three lines of defense from the first to the last
1 = Adaptive immune system
2 = Physical barriers
3 = Innate immune system
a. 1, 2, 3
b. 2, 1, 3
c. 2, 3, 1
d. 3, 1, 2
e. 3, 2, 1
ANSWER: c
You might also like to view...
The reduction in the density of chestnut trees in North America was due to
A. a fungal pathogen. B. chestnut blight. C. a fungal pathogen and chestnut blight. D. an insect. E. a bacteria.
Human cases of complete myostatin deficiency ____
a. are very common b. are quite rare c. have never been identified d. are easy to study e. result from nutritional deficiencies
The maximum number of individuals that a habitat can support indefinitely is the habitat's
A. density dispersion. B. carrying capacity. C. growth capacity. D. environmental load. E. dispersion capacity.
The division Basidiomycota includes which of the following types of fungi?
A) truffles B) mushrooms C) baker's yeast D) bread mold E) ringworm