Why do most of the flowers in a temperate deciduous forest bloom in the spring?
A) The leaves of deciduous trees do not block the light in the spring; therefore, sunlight reaches the forest floor.
B) The largest number of insect pollinators is available in the spring.
C) In the spring, the trees do not block the wind and thus do not prevent wind pollination.
D) The spring is the dry season; most of the rain falls during the cool, wet winters.
E) Nutrients are most available in the spring.
A
You might also like to view...
Which of the following is not associated with mRNA processing in eukaryotes?
A) addition of a 5' methyl guanosine cap B) 3' polyadenylation C) removal of introns D) removal of exons
A(n) __________ (fungus-root) is a symbiotic interaction between a fungus and a plant. Fill in the blank(s) with the appropriate word(s)
The circles in "B" are
a. fragments of the main bacterial DNA. b. plasmids. c. cDNA molecules. d. DNA templates. e. none of these
What is a major concern surrounding GMOs that critics cite as an argument against GMOs?
A) They could escape containment and outcompete non-GMOs resulting in extinction of the GMO. B) They could escape containment and produce even more useful genetic variants. C) They could escape containment and pollute other gene pools. D) They could escape containment and breed with non-GMOs and create unregulated hybrids.