Land plants take up phosphates from ____.
A. rainfall
B. seawater
C. soil water
D. the atmosphere
E. animal waste
Answer: C
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Which of the following statements is true about moss and fern reproduction?
A. Both mosses and ferns require wind for gamete dispersal. B. Mosses require water for fertilization, but ferns do not. C. Both mosses and ferns have a dominant gametophyte generation. D. Both mosses and ferns produce their spores in diploid sporangia. E. Both mosses and ferns have a dependent sporophyte generation.
The embryo normally implants and develops in which of the following structures?
A. uterus B. ovaries C. fallopian tubes D. cervix E. vagina
Digestion and absorption allow vertebrates to use nutrients to
A. make ATP. B. repair tissue damage. C. deliver oxygen to cells. D. form bone. E. perform all of the functions given.
The example of ocean and lake stickleback fishes indicates that morphology can be altered by
A) changing only the sequences of protein-coding genes. B) altering the expression of a gene that is associated with development in only some parts of the body. C) environmental factors (such as pollution). D) the elimination of a gene from a population, which leads to loss of the body armor.