Many diseases are caused by viruses or bacteria, which may be considered introduced species under certain circumstances (although viruses are not truly living organisms and need another organism as a host). describe the following exotic diseases and explain their origins.
1.smallpox
2.chestnut blight
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Drag each label to the correct location on the chart. match the function to the type of tissue

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.

The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above