The portal of entry for the larvae of hookworms is the
a) skin.
b) mouth.
c) blood.
d) lymph.
Ans: a) skin.
You might also like to view...
To germinate, pollen requires liquid that comes from ________
a. the body of the pollinating animal b. the stigma c. petals of the flower d. storage vacuoles within the pollen grain
The random discrepancy between theoretical predictions and actual outcomes is called ________. [two words]
Fill in the blank(s) with correct word
Which of the following statements is true?
A. Gene mutations never occur independently of each other. B. Gene mutations are very common. C. Ionizing radiation is caused by chromosomal damage. D. Mutations are random. E. The loci of gene mutations can be predicted.
Which system is responsible for providing protection, regulating body temperature, and being the site of cutaneous receptors?