Explain how observing artificial selection provides an inference for natural selection
What will be an ideal response?
The two processes are analogous, in that individuals with desirable, or survival-enhancing traits are
more likely to reproduce and pass their characteristics on to the next generation.
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In many organisms, one set of chromosomes comes from the maternal parent, while the other set comes from the paternal parent. Similar chromosomes in these sets are said to be _________
A. morphs B. alleles C. haploid D. homologs E. physiological traits
Energy sources of photosynthesis reactions The energy source for the light reactions is _____; the energy source for the carbon reactions is ______.
a) sunlight, carbon dioxide b) sunlight, ATP c) ATP, oxygen d) Sunlight serves as the energy source for both sets of photosynthetic reactions.
Which of the following statements is INCORRECT?
a) Oxygen was abundant in the Earth's early atmosphere, before the origin of life. b) Experiments like Miller and Urey's do not work in the presence of oxygen. c) Environments without oxygen are the best for preserving fossils. d) Oxygen attacks chemical bonds and extracts electrons, which prevents the formation of complex molecules. e) The accumulation of oxygen in the early environment was a result of the photosynthetic activity of terrestrial plants.
________ is the name of the cell that wraps around the axon, forming the myelin sheath
Fill in the blank(s) with correct word