The edible portion of the mushroom is the ________.
A. mycelium
B. hyphae
C. above-ground reproductive structure
D. spore
Answer: C
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The outermost of the three primary germ layers is the ________
a. endoderm b. epidermis c. mesoderm d. ectoderm
Which of the following types of interactions is advantageous for one species, but has no effect on the
other?
a. commensalism b. herbivory c. mutualism d. parasitism e. predation
If all offspring of a cross have the same
heterozygous genotype, the parents of the cross would most likely be
a. homozygous dominant and homozygous recessive. b. both heterozygous. c. heterozygous and homozygous recessive. d. homozygous dominant and heterozygous. e. both homozygous dominant.
Refer to the accompanying figure. At what point of this life cycle does fertilization occur?
a. 1
b. 4
c. 6
d. 7
e. 8