A pine tree is called a sporophyte because it
a. develops from a germinated spore.
b. produces spores by meiosis.
c. is haploid.
d. undergoes fertilization.
e. reproduces by both sexual and asexual
means.
B
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The pressure required to stop water from moving across the membrane by osmosis is called
A. transport pressure. B. crenation pressure. C. atmospheric pressure. D. osmotic pressure. E. mechanical pressure.
As decomposition proceeds, which molecule is lost to the atmosphere?
A) H2O B) CH4 C) CO2 D) NH3
A hair sample obtained during _______ growth will include the follicle.
Fill in the blank(s) with the appropriate word(s).
A solution with a pH of 4 has ________ the concentration of H+ present compared to a solution with a pH of 5.
A. 2 times B. 10 times C. 100 times D. 1000 times