Unit 10 Bio Test Flashcards
Plasmodium depends on the mosquito during its life cycle… what would happen if mosquitoes disappeared?
the plasmodium life cycle would be interrupted and the infection could not be passed on
Which phylum contains the only fungi with flagellates spores?
chytridiomycota
Which two of the following genera have members that can invade the human immune system by frequently changing their surface proteins?
1) plasmodium
2) trichonympha
3) trypanosoma
4) zooxanthellae
1,4
What makes certain red algae appear red?
they possess pigments that reflect and transmit red light
Lichens are symbiotic associations of fungi and ________.
either cyanobacteria or green algae
Which of the following is true of fungi?
A) like protists, they are eukaryotic
B) like so prokaryotes, they are autotrophic
C) like animals, they lack cell walls
D) like plants, they carry out photosynthesis
A) like protists, they are eukaryotic
The fungi are similar to ________ because _____________________.
1) bacteria
2) they can both go through extracellular digestion by releasing digestive enzymes
During what process do two protists exchange genetic material?
conjugation
In both lichens and mycorrhizae, what does the fungal partner provide to its photosynthetic partner?
water and minerals
Both fungus-farming ants and their fungi can synthesize the same structural polysaccharide from glucose. What is this polysaccharide?
chitin
Plasmodium: the organism that causes _______ is a _______.
1) malaria
2) sporozoan
Which of the following correctly pairs a protist with one of its characteristics? A) sporozoan: parasitic B) amoeba: flagella C) euglena: cilia D) ciliates: pseudopods
A) sporozoan: parasitic
If all fungi in an environment that perform decomposition were to suddenly die, then which group of organisms should benefit most, due to the fact that their fungal competitors have been removed?
prokaryotes
In amoebas, food is stored in vacuoles following which method of eating?
phagocytosis
What is one reason why the classification of protists in one kingdom is difficult?
protists more closely resemble members of other eukaryotic kingdoms than they do other protists
Lichens play an important role in soil formation because they _______________.
are often the first organisms to enter barren environments
Ciliates get food by _____________.
sweeping food particles into their gullet
Which of the following protists gets nutrients mainly by absorbing molecules from other organisms through their cell walls and cell membranes? A) flagellates B) ciliates C) amoebas D) water molds
D) water molds
What would happen to termites is trichonympha disappeared?
termites would die because they cannot digest wood without trichonympha
The stiff outer membrane of paramecium connecting the cilia to the cell membrane is called the _________.
pellicle
Which of the following is NOT characteristic of ciliates?
A) they use cilia as locomotory structures or as feeding structures
B) they are relatively complex cells
C) they have two or more nuclei
D) they can exchange genetic material with other ciliates through mitosis
E) most live as solitary cells in fresh mater
D) they can exchange genetic material with other ciliates through mitosis
Which type of fungi have a mutualistic relationship by breaking down nutrients for plants? A) parasitic fungi B) none of the choices are correct C) truffles D) lichen
B) none of the choices are correct
it’s mycorrhizae
Which phylum includes yeast and penicillin?
ascomycota
You are given an unknown organism to identify. It is unicellular and heterotrophic. It is mobile, using many short, hair-like filaments. It has well-developed organelles (such as a contractile vacuole) and a nucleus. This organism is most likely to be a member of which group?
ciliates
Which is a mutualistic partnership that involves a protist and a host organism?
A) cellulose-digesting protists: wood-eating termites
B) zooxanthellae: coral reefs
C) giardia: humans
D) all but C
D) all but C
All fungi are ___________.
heterotrophic eukaryotes
