Put the following events of the mushroom life cycle in order, beginning with the development
of a fruiting body:i.
Formation of a mycelium
ii. Mating of compatible hyphae
iii. Spore development and release
iv. Spore germination
a. i, ii, iii, iv
b. ii, iii, iv, i
c. ii, iii, i, iv
d. iii, iv, ii, i
C
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Plants cannot enable and improve access to particular nutrients by
a. releasing amino acids into the soil. b. releasing carbohydrates into the soil. c. releasing enzymes into the soil. d. releasing organic substances into the soil. e. releasing carbon dioxide into the soil.
Homeotic genes
a. code for homeodomains. b. code for regulatory proteins. c. are a class of master genes. d. affect transcription. e. are all of these.
What will happen by the end of the eighth week of development?
A. Limbs form, and paddles at their ends are sculpted into digits. B. The umbilical cord and the circulatory system develop. C. All of the organ systems will be formed, and apoptosis has eliminated the tail. D. The fetal heartbeat can be heard clearly through a stethoscope positioned on the mother’s abdomen. E. The fetus has begun not only to detect sounds but also to remember some of them.
The guppy behavior studies presented in your text, including the transfer experiments of guppies between high predation and low predation sites illustrates:
a. rapidity with which natural selection can operate. b. significant differences in behavior have evolved in populations separated by only 10,000 years. c. significant differences in behavior have evolved in populations due to predation stress. d. All of the above. e. None of the above.