An atom with a neutral charge has
a. more neutrons making it more neutral.
b. equal numbers of protons and electrons.
c. more protons than it does electrons.
d. the same number of protons and neutrons.
e. equal numbers of neutrons and electrons.
Answer: b. equal numbers of protons and electrons.
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A birdhouse is nailed into a tree 6 feet up from the ground. If the tree grows about 2 feet taller each year, where will the birdhouse be 25 years later?
A. 50 feet B. 56 feet C. 26 feet D. 6 feet E. 4 feet Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about a tree grows? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The influence of genetic drift on allele frequencies increases as
a. gene flow increases. b. population size decreases. c. mutation rate decreases. d. the number of heterozygous loci increases. e. population size increases.
What would happen if a root was rotated 90 degrees as a result of a shovel moving the plant during gardening?
a. Statoliths would settle on the new bottom of each gravity sensing cell with no effect on auxin. b. Auxin efflux carriers would be redistributed to the upward-facing side of the root or stem. c. Statoliths would resettle on the new bottom and auxin efflux carriers would be redistributed to the new bottom. d. The root would not recognize the gravity change. e. The root would stop growing downwards.
In which combination of locations would one who is searching for the gametophytes of "flower of stone" have the best chance of finding them?
1. moist soil 2. underground, nourished there by symbiotic fungi 3. south- or west-facing slopes 4. permanently shady places 5. far from any flower of stone sporophytes A) 1 only B) 1 and 2 C) 1, 2, and 4 D) 1, 2, and 5