Midterm Study Guide #2

Which of the following fungi/phylum associations is incorrect?

• Chytriomyces / Chytridiomycota

• button mushrooms / Basidiomycota

• black bread mold / Zygomycota

• morel mushroom /Ascomycota

• cup fungus / Glomeromycota

Angiosperms have two separate gametophytes because

• these two structures allow fertilization without the need for external water.

• this is normal for all sexually reproducing plants, where sperm are produced by microgametophytes and eggs by megagametophytes.

• this is normal for alternation of generations.

• one can survive and fertilize without the need for external water.

Which domains replaced kingdom Monera?

• Archaea and Bacteria

• Protista and Archaea

• Bacteria and Eukarya

• Archaea and Eukarya

Order these major taxonomic categories into an increasingly inclusive hierarchy.

• domain, kingdom, phylum, class, order, family, genus, species

• class, order, family, genus, species, kingdom, phylum, domain

• genus, species, class, order, family, domain, kingdom, phylum

• species, genus, family, order, class, phylum, kingdom, domain

The morphological species concept involves the identification of certain structural traits, called _____, to distinguish one species from another.

• diagnostic traits

• analogous traits

• convergent traits

• homologous traits

Study the life cycle diagram. Label A is the _____ life cycle.

• alternation of generations

• lysogenic

• lytic

• sexual

Which of the following examples is best explained by the process of convergent evolution?

• The wings of birds and butterflies being used for flight.

• A human cell and a fruit fly cell both going through the process of transcription and translation in order to produce a gene.

• Wolves and coyotes both producing milk for their young.

• Both mice and rats having a tail.

In older woody plants, the epidermis of the stem is replaced by

• collenchyma.

• tracheids

• periderm

• trichomes

If you cut a herbaceous stem and observe fluids continually seeping upward and out of the cut, it is most likely due to

• cohesion to the xylem walls.

• turgor pressure

• tension caused by transpritation

• root pressure

Which of these is the best description of a virus?

• chemical complexes of RNA or DNA protected by a protein shell

• a noncellular living organism

• the smallest bacteria known

• a member of the kingdom Virusae

• an invasive cell