To determine: The group of children who was most attractive to mosquitoes.
Concept introduction: Plasmodium is one among the genus of unicellular eukaryotes that are obligate
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- Even though genetically engineered mosquitoes might be developed that do not allow the reproduction of malaria protozoa, these mosquitoes would have little, if any, immediate effect on the spread of the disease. Why should this be so? What would have to happen for these mosquitoes to significantly affect the spread of malaria?arrow_forwardWhich statements regarding the life cycle of the malaria causing Plasmodiun Falciparum are true? Check all that apply. 1. The sporozites that enter the human body by a mosquito bite are haploid 2. The merozoites produced by liver cells are haploid 3. Merzoites in the bloodstream reproduce and are diploid 4. Some Merozoites produce diploid sexual structures called gametocytes 5. In mosquitoes, gametocytes produce gametes that fuse to form a diploid zygote. Please explain which of the statements are correct and why. Thank you.arrow_forwardWhy do only female mosquitoes transmit malaria?arrow_forward
- Molds usually reproduce sexually when food is running low. Why might sexual reproduction be more advantageous at this time than when food is plentifularrow_forwardWhich statement about slime molds is correct? A. Cellular slime molds have haploid zygotes. B. Cytoplasmic streaming helps distribute nutrients and oxygen in cellular slime molds. C. In plasmodial slime molds, the haploid condition is the dominant part of the life cycle. D. Cellular slime molds have fruiting bodies that function in sexual reproduction. E. Cellular slime molds form masses when food is scarce, but their cells remain separated .arrow_forwardWhy might farmers and gardeners be concerned about nematodes? A. Some for "tent like" egg cases in trees, then the caterpillars that eat many of the leaves B. Some of they chew on roots, hurting the plants C. Pesticides kill the good nematodes and then the soil gets too compacted D. They are a beneficial natural way of controlling slugs because they parasitize slug eggsarrow_forward
- Zika virus infection among pregnant women can cause birth defects such as microcephaly in the newborn child. Imagine you are the mayor of a small suburban town in Florida in which mosquitoes are known to carry Zika virus. What would you do to prevent Zika virus infection in your town? If you decide to use an insecticide to kill mosquitoes, what type or class of insecticide would you use? Why?arrow_forwardWhich one of these is NOT an example of a parasite? Select one: a. A bromeliad plant growing on the trunk of a rainforest tree that derives its moisture and nutrients from the air, rain and debris accumulating around the plant. b. A leech feeding on blood it extracts from the leg of a human host. c. A Rafflesia plant using a specialised absorptive organ, known as a haustorium, to draw nutrients from other plants. d. A tapeworm that lives inside the intestine of an animal and feeds off the food that the animal is digesting. Which one of the following BEST describes the consequences of an altruistic interaction between the donor and the recipient of the behaviour? Select one: a. Positive for the donor, positive for the recipient. b. Negative for the donor, positive for the recipient. c. Positive for the donor, negative for the recipient. d. Negative for the donor, negative for the recipient.arrow_forwarda. Which parasites are zoonotic?b. Which are strictly human parasites?c. Which are borne by vectors?d. Which cause intestinal symptoms?e. Which are hermaphroditic?f. Which are associated with rare or raw meat?arrow_forward
- Why do only female Anopheles mosquitoes transmit malaria?arrow_forwardExplain with a diagram how the malaria parasite is trasmitted to the host by the femalee anopheles mosquitoarrow_forwardHumans are definitive hosts of this parasite. How does the intermediate host get this parasite from a human? How should you treat this disease?arrow_forward
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