Which statement concerning fertilization in ferns is true?
a. The sporophyte grows from a spore.
b. The process requires water.
c. The fertilization product is haploid.
d. A spore is the product of fertilization.
e. The process occurs outside the egg-producing structure.
ANSWER: b
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Embryonic shoots located at the tips of stems are called ____, while those located in the axils are known as ____
a. nodes; internodes b. axillary buds; terminal buds c. terminal buds; axillary buds d. axillary buds; lateral buds e. bud scales; bud scale scars
The driving force for the movement of materials in the phloem of plants it
A. gravity B. a difference in osmotic potential between the source and the sink C. root pressure D. transpiration of water through the stomates E. adhesion of water to vessel elements
Following a hurricane an area will become re-forested. This statement is best described by the term
A. evolution. B. succession. C. trophic level. D. pioneer community.
Chronic dehydration increases a man's risk of developing
What will be an ideal response?