The A horizon contains little, if any organic matter
a. True
b. False
ANSWER: False
You might also like to view...
Gastrulation results in the formation of:
A. a bilaminar embryo consisting of the epiblast and the hypoblast. B. a trilaminar embryo consisting of the epiblast, the mesoblast, and the hypoblast. C. a gastrula consisting of a trilaminar embryo. D. a trilaminar embryo consisting of ectoderm, endoderm, and mesoderm. E. a bilaminar gastrula consisting of the epiblast and the hypoblast.
A strain of bacteria containing F? factor genes is called a
A. monozygote. B. heterozygote. C. homozygote. D. merozygote. E. hemizygote.
Which of the following has a four-chambered heart like humans?
A. crocodiles B. amphibians C. birds D. birds and crocodiles. E. All of the choices are correct.
Blood usually continues on from arterioles to ____ in its travel through the human body.
A. other arterioles B. venules C. arteries D. veins E. capillaries