Natural selection is of limited effectiveness in preserving

Question

1. Charles Darwin believed that whole new species originated as a result of
2. Natural selection is of limited effectiveness in preserving new favorable mutations. Why?
3. In physical size, Mycoplasma genitalium is
4. Charles Darwin's view of the species was
5. The term _________ represents a predictive theory of how a species might change with time, whereas the term ________ assumes that nature can create whole new structures and organisms.
6. Francis Crick's theory of directed panspermia states that
7. Could RNA have been the original site of information storage in the primitive cell? A difficult problem with this possibility is that
8. The role of the barbule in the primary flight feather is to
9. Which of the following organisms were not observed by Charles Darwin while reading and voyaging the world?
10. Mycoplasma genitalium is well known for the _________ infections it causes.
11. During the formation of a feather which of the following structures appears as a result of early induction events within the dermal layer of the wing surface?
12. Which of the following is a component structure of a primary flight feather?
13. Francis Crick developed the theory of directed panspermia to address what problem?
14. Which of the following was a fruitless research study in which a new function was observed but no new genetic information was made?
15. Which of the following research programs proved fruitless in its search for new mutations that added new genetic information useful to the orgamism?
16. Which statement below distinguishes the roles that mutation and natural selection play in the evolutionary process?
17. In the evolutionary model, mutation ______ genes that will develop a better organism while natural selection ______ genes that will develop a better organism.
18. Continual (especially cyclic) environmental change has what potential effect on the process of natural selection? Such change
19. Which of the following mutations would not be helpful in generating appropriate structuring for flight feathers? A gene sequence that would
20. Which phrase below best describes an event in feather development that results in the formation of barbs?
21. M. genitalium can adhere to a variety of different human host surfaces by
22. The alleged early earth atmospheric gases as proposed by Miller and Urey are lacking in ______ gas, even though it has been discovered at high levels on planet Venus today.
23. Which of the following phrases best evaluates the naturalistic hypothesis for its value in explaining the origins of new structures like the flight feather?
24. Natural selection is an "expensive" process. This is true because
25. One major problem with the speculation that the origin of life occurred at geothermal vent is that
26. During early Cambrian times, homeobox genes would need to have
27. The Design theorist comes to the conclusion that most mutations occurring today are harmful because
28. A major limitation in all real natural populations that prevents the potential power of directional selection from being demonstrated: real nature populations
29. Both the theist and the naturalist come to the conclusion that most mutations occurring today are harmful because
30. In order to evolve a vertebrate fin or arm from a primitive leg, mutational changes would be required to
31. Directional selection
32. The third stage of life history implied in the early pages of the Genesis record could best be described as
33. A rock sample that is composed of a fine compacted collection of sand or silt particles would be termed a(n)
34. The function of a homeobox gene
35. Homeobox genes are known to be found
36. The number and variety of mutational changes required to evolve a vertebrate fin or arm from a primitive leg
37. Which of the following pairs of organs are properly described below?
38. In the early pages of the Genesis record, the first stage of life history could best be described as
39. During the Cambrian explosion, mutations to generate an insect limb or a fish fin must be accompanied by
40. Design theorists see stabilizing selection as a way of
41. In structure a homeobox gene
42. Which of the following classes of mutations accumulate silently in the DNA having no obvious effect on one's ability to reproduce?
43. Stabilizing selection
44. Homeobox genes were originally found in
45. Romans 8 describes modern living organisms as
46. The largest problem associated with evolving insects from sponges during a 5 million year time period is the
47. Whether or not a homeobox gene is transcribed depends on
48. The phrase "Cambrian Explosion" refers to

Answer 1

For the given biology questions, fill up the blanks by placing the appropriate word to make it meaningful sentence. 1) Charles Darwin assumed that whole new species originated as an outcome of _____. 2) The word ______ symbolizes a predictive theory of how a species may change with time, while the word ______ supposes that nature can make whole new structures and organisms. 3) Mycoplasma genitalium is famous for _____ infections it causes. 4) In the evolutionary model, mutation ______ genes which will build up a better organism while natural selection ______ genes that will build up a better organism. 5) M. genitalium can hold on to a variety of different human host surfaces by ____. 6) The alleged early earth atmospheric gases as suggested by Miller and Urey are lacking in _____ gas, even although it has been discovered at high levels on planet Venus nowadays. 7) A rock sample which is comprised of a fine compacted collection of sand or silt particles would be known as ____.