Question 3 (2.5 points)
Secondary endosymbiosis of red algae is thought to have led to the evolution of
a. ferns, mosses, and fungi
b. apicomplexans, dinoflagellates, and stramenopiles
c. liverworts, lichen, and sea stars
d. flowering plants, shrubs, and trees
Question 4 (2.5 points)
The majority of known fungi belong to this phylum that includes yeasts used in baking and brewing as well as truffles and morals.
a. Basidiomycota
b. Ascomycota
c. Deuteromycota
d. Glomeromycota
Question 5 (2.5 points)
How are the two halves of a radial symmetric animal usually described?
A. top and bottom
B. front and back
C. mouth and anus
D. dorsal and ventral
E. anterior and posterior
F. oral and aboral
Question 6 (2.5 points)
The conspicuous vegetative organs such as the thallus, rhizoid, and stem all belong to which stage in the bryophytes?
A. sporophyte
B. sporangium
C. diploid
D. gametophyte
Question 7 (2.5 points)
Why is the kingdom Protista not a good taxonomic group?
A. because it doesn’t include the Archaea
B. because prokaryotes are too diverse
C. because it is paraphyletic
D. because it is too restrictive in its subcategories
Question 8 (2.5 points)
Protist sexual reproduction is often associated with the production of a protective, inactive stage known as a(n) ________.
A. cyst
B. capsule
C. pellicle
D. shell
Question 9 (2.5 points)
What was the major event that marks the Ordovician period more than 500 million years ago?
A. appearance of green algae in the fossil record
B. colonization of land by ancestors of modern land plants
C. the evolution of flowering plants
D. appearance of the first gymnosperms
Question 10 (2.5 points)
Antibiotic resistance can develop when overusing antibiotics. Why shouldn’t a person ill with the flu or a cold use antibiotics?
A. should let nature run its course
B. evolution has made these diseases weak so antibiotics are not necessary
C. these strains are antibiotic resistant
D. caused by viruses which aren’t affected by antibiotics