Module 10 - Quiz PDF

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Module 10 - Quiz...

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Submitted

4/9/18 3:10 PM

Status

Completed

Attempt Score

90 out of 100 points

Time Elapsed

7 minutes

Results Displayed All Answers, Submitted Answers, Correct Answers

Question 1

10 out o

Malaria is transmitted to humans by the Anopheles mosquito, which injects the _______ sta organism Plasmodium

Selected Answer: Answers:

sporozoite oocyst gametocyte schizont merozoite sporozoite

Question 2

0 out o

Arrange the following in the proper order in which they occur during the human-phase of

213 3,2,1

Question 3

10 out o

Protists are very diverse, and many different classification schemes have been used to defin relationships between the protists. Traditionally, protists have been classified by their source and nutrients, while newer classification schemes use mode of locomotion. How are amoebo using both of these schemes?

Selected Answer: Answers:

heterotrophic by ingestion, pseudopods photosynthetic, cilia heterotrophic by absorption, nonmotile heterotrophic by ingestion, nonmotile heterotrophic by ingestion, pseudopods

Question 4

10 out o

You went camping with your friends but you forgot to pack drinking water and you dr from a nearby stream. You now are feeling very nauseated and have a severe case of and cramps. What is currently wreaking havoc in your intestines? Selected Answer: Answers:

Giardia lamblia Paramecium caudatum Laminaria digitata Plasmodium falciparum Giardia lamblia

Question 5

10 out o

Dinoflagellates are often regarded negatively because of fish kills associated with red they are beneficial to some marine ecosystems because Selected Ans er

th

f

th l

th t h

t

li ti

l ti

hi

ith

Question 6

10 out o

You are working on a team to characterize a local lake's plankton community. Using a comp microscope, you isolate one specimen from a water sample. It is unicellular and has a spec feeding groove cut into the cell surface. To what supergroup does this organism belong?

Selected Answer:

Excavata

Answers:

Excavata Alveolata Amebozoa Opisthokonta

Question 7

10 out o

The group of protists to which you are most closely related is

Selected Answer: Answers:

choanoflagellates slime molds excavata choanoflagellates amoebas

Question 8

10 out o

Why are photosynthetic marine algae often not green colored like photosynthetic terr plants? Selected Answer: Answers:

the different colored pigments absort the different wavelengths of water they do not perform oxidative photosynthesis the different colored pigments absort the different wavelengths of ater

In the Gulf of Mexico, red tides caused by the dinoflagellate Karenia brevis cause massive fi well as respiratory problems in humans. As an environmental scientist, what would you sug concerned citizens do to help prevent these red tides?

Selected Answer: Answers:

reduce fertilizer use on lawns and gardens purchase fuel-efficient vehicles decrease the amount of artificial light in coastal areas encourage sustainable fishing reduce fertilizer use on lawns and gardens participate in beach cleanup efforts

Question 10

10 out o

In a zygotic life cycle

Selected Answer:

Haploid cells form gametes that fuse to produce thick-walled diploid zygotes surviving stressful conditions.

Answers: Haploid cells form gametes that fuse to produce thick-walled diploid zygotes surviving stressful conditions. there is an alternation of generations The zygote undergoes meiosis and produces many heat-resistant spores tha the population size and aid in dispersal. Haploid cells form spores that in turn fuse to produce thick-walled zygotes ca surviving stressful conditions.

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