A piece of evidence in favor of including Sahelanthropus tchadensis (Toumai) with the hominins rather than apes is that the species was likely:
A) carnivorous. B) related to Neanderthals.
C) tree dwelling. D) bipedal.
Answer: D
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Allelochemicals are active in preventing
(a) herbivore feeding. (b) germination of plant competitors. (c) infection by pathogens. (d) all of the above.
In many ferns,
a. gametes are produced from meiosis. b. asexual reproduction occurs more frequently than sexual reproduction. c. fertilization is followed by formation of gametes. d. the gametophyte stage is completely dependent upon the sporophyte stage. e. more than one of these is true
_____________________develops from physiological adaptations that change brain function when exposed to certain
environmental triggers. Fill in the blank(s) with the appropriate word(s).
When a potted house plant is wilting, the addition of water quickly changes the look of the plant. This can be accounted for by which of the following statements:
a. The water creates a hypertonic environment causing the cells to lose water. b. The water creates a hypotonic environment causing cells to lose water. c. The water creates a hypertonic environment causing the cells to gain water d. The water creates a hypotonic environment causing the cells to gain water