Twenty-three years separated Darwin's return from his voyage on the HMS Beagle and his publication of On the Origin of Species. What is the reason(s) for this gap?
a. Darwin knew his ideas were revolutionary and he wanted a strong case before unveiling them.
b. Darwin worked to amass a great body of both observational and experimental evidence in support of his theory.
c. Competition pressured Darwin into publishing.
d. B and C, but not A.
B
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A protein that has been transported past the outer chloroplast membrane would have to pass how many more membranes to reach the stroma and thylakoid lumen, respectively?
A. 0,1 B. 1,2 C. 2,3 D. 3,4 Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about chloroplasts and membranes? What other information is related to the question? Choose Answer Do you have all necessary information to determine what was produced during the plant experiment? 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?
Under what conditions does one expect a 9:3:3:1 ratio?
What will be an ideal response?
The fossil record indicates that whales evolved from
A. sharks. B. dinosaurs. C. hoofed mammals. D. fish.
In the notes and appendix section of his book On Naval Timber and Arboriculture,
Patrick Matthew outlined three important ideas on both evolution and natural selection that relied on princi-ples of survival of the fittest rather than the inheritance of acquired traits. Which of the following five ideas were the three put forth by Matthew? I. Individuals will differ in terms of traits that allow them to garner resources. II. All species have descended from one or a few common ancestors. III. Over time organisms change to become adapted to their environment. IV. Resources are limited- only so many offspring can survive to reproduce. V. Over time populations, not individuals evolve. a. I, II, and III c. I, III, and IV b. II, III, and IV d. III, IV, and V