The last two remaining females from the region with the introduced snakes disperse and join
another group of widowbirds that are nesting 50 km away. There they find new mates and
produce offspring. This group of birds would be considered a(n) __________.
a. population
b. ecosystem
c. community
d. niche
A
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A somatic cell from a garden pea normally contains 14 chromosomes. How many sister chromatids would that cell contain during G1 of the cell cycle?
A. 0 B. 7 C. 14 D. 28 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 know about sister chromatids? 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?
Over 380,000 species of angiosperms exist on Earth. Which of the following factors contributed to this diversity of flowering plants? Select all correct choices
A. pollination by different insects B. infections by different bacteria C. predation by different herbivores D. infections by different fungi
The lymphatic system
A) provides an auxiliary route for the return of extracellular fluid to the circulatory system proper. B) acts as a "receiving" system for the allergic response. C) renders destruction of foreign bodies through chemical lysing. D) does all of the above.
The 5? UTR (untranslated region) of bacterial mRNA contains sequences essential for translation
The ribosome-binding site (including the Shine-Dalgarno sequence) is located within 10 bases of the AUG start codon. What is the role of the ribosome-binding site in translation? What will be an ideal response?