Contemporary Issues in Biology Exam 3 Sawey, TCU Questions & 100% Verified Answers | Latest Update | Already Graded A+

Until malaria and AIDS, what was the most devastating plague? ☑: The Black Death How did 17th century doctors treat the plague? ☑: They inspected patients with pointers and would use spice-filled pomanders to fend it off. What feeds off on blood of mammals such as rats and birds, in which they spread the bacteria that causes plagues? ☑: Fleas How do people normally get the plague? ☑: From being bitten by a rodent flea that is carrying the bacterium or by handling infected animals. True or false: Modern antibiotics isn't effective against plague. ☑: FALSE EXCELLENCE 2 what feeds on human blood usually at night while the person sleeps? ☑: bedbugs True or false:Only the adult stage of bedbugs feed on human blood. ☑: FALSE What stage of the bed bug bites obtain blood? ☑: larva and adults Its the most deadly diseases in human history.Caused by a parasite transmitted by female anopheles mosquitos. ☑: Malaria True or false: adult female anopheles mosquitoes feed on blood for protein to make eggs. ☑: TRUE What are some historic efforts to defeat Malaria? ☑: -draining wetlands to reduce habitat -Control of mosquitoes using DDT Consequences of trying to cure malaria through hurting the mosquito population? EXCELLENCE 3 ☑: -We lost wetlands -DDT bioaccumulated and hurt birds -killed beneficial insects How many people are sick from malaria per year? How many people does it kill per year? ☑: 219,000,000 per year Kills 600,000 per year, mostly children What age is malaria most common in? ☑: under the age of 5 What part of the world does Malaria impact the most? ☑: Africa What is the protozoan that causes malaria and destroys red blood cells? ☑: plasmodium (4 diff. types) A protozoan is a single celled organism Order of Malarial parasite