Organisms that have the greatest reproductive success are considered the most evolutionarily fit
Indicate whether the statement is true or false
TRUE
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Many insects, like moths and flies, undergo complete metamorphosis. What would you predict about gene expression in these two kinds of insects?
A. The basic organization of homeotic genes is the same in both larvae and adult, but the expression of some other genes must be different. B. Completely different sets of genes must be used in the development of larvae and the adult. C. The order of homeotic genes along the body axis must be different in larvae and adult. D. The same genes are expressed at each stage, but the age and number of cells accounts for the minor morphological differences. 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 homeotic genes and metamorphosis? Consider Possibilities · Consider the different answer options. Which can you rule out? 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?
Which of the following is considered a keystone species within Yellowstone National Park?
a. beavers b. wolves c. elk d. cottonwood
Laboratory simulations provide indirect evidence
that organic compounds such as __________ and __________ self-assemble spontaneously under conditions like those thought to have prevailed on the early Earth. Fill in the blank(s) with the appropriate word(s).
The "X" shaped chromosomal hereditary material can be packaged in this organelle in eukaryotic cells but not in prokaryotic cells. This organelle is the:
A. nucleoid. B. chloroplast. C. ribosomes. D. nucleus. E. mitochondria.