A house plant that has been placed in the window will grow toward the source of light because auxin ____
a. becomes more concentrated on the illuminated side of the plant
b. becomes less concentrated on the illuminated side of the plant
c. becomes more concentrated in the roots of the plant
d. inhibits the growth of cells on the shady side, so the cells on the sunny side grow faster
e. is produced only when the sun shines
ANSWER: b
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Damage to its flagellum would prevent a choanocyte from
A. circulating water through the sponge. B. stinging and capturing prey. C. secreting spongin to form the sponge body. D. producing the supportive spicules.
In lakes and ponds, decomposition occurs primarily in the
A) benthic zone. B) littoral zone. C) limnetic zone. D) profundal zone.
What covers the penis with more thinner skin to be able to stimulate more.
What will be an ideal response?
Humans first left Africa in a massive migration of roughly 40,000 individuals roughly 60 Kya
a. true b. false