BIOLOGY 1407 Exam test questions
and answers graded A+
The chloroplasts of land plants are thought to have been derived according to what sequence? -
ANS✅✅cyanobacteria - green algae - land plants
All protists are? - ANS✅✅eukaryotic
Which pair of protists and their characteristics is mismatched?
Apicomplexan - internal parasites
Euglenozoans - unicellular flagellates
Entamoebas - ingestive heterotrophs
Ciliates - red tide organisms - ANS✅✅Ciliates - red tide organisms
(it's supposed to be dinoflagellates)
A large seaweed that floats freely on the surface of deep bodies of water would be expected to lack
what? - ANS✅✅Holdfasts
Reinforced, threadlike pseudopods that can perform phagocytosis are generally characteristic of? -
ANS✅✅Radiolarians
A porous, multichambered test (shell) of calcium carbonate is characteristic of? -
ANS✅✅Foraminiferans
Why have biologists hypothesized that the first land plants had a low, sprawling growth habit? -
ANS✅✅The 1st land plants lacked the structural support to stand erect in the air.
Spores and seeds have basically the same function to disperse plants' genetic material, but are vastly
different because? - ANS✅✅spores and unicellular; seeds are not
Retaining the zygote on the living gametophyte of land plants does what? - ANS✅✅allows it to be
nourished/protected by the parent plant
, A student encounters a pondweed that appears to be a charophyte. Which of the following features
would help determine whether it is actually from a charophyte or from some other type of green
alga? - ANS✅✅the structure of flagellated sperm cells, the presence of phragmoplasts and rings of
cellulose-synthesizing proteins
Liverworts, hornworts, and mosses are all grouped together as the Bryophytes. Besides not having
vascular tissue, what do they all have in common? - ANS✅✅they require water for reproduction
What is the evolutionary history of a species or a group of related species? - ANS✅✅phylogeny
A phylogenetic tree of snakes and legless lizards show that these 2 groups evolved independently - in
different lineages - from a common legged lizard ancestor. What is this an example of? -
ANS✅✅convergent evolution
The classifying and naming of prairie rattlesnakes and massasauga rattlesnakes into the family
Crotalidae is an example of what scientific discipline? - ANS✅✅taxonomy
The 2-part scientific name of a species is called a? - ANS✅✅binomial
In an organism's scientific name, the first part of the name is the genus and the second part of the
name is the specific epithet. True or false? - ANS✅✅True
The taxonomic groups from broad to narrow are domain, kingdom, phylum, class, order, family,
genus, and species. True or false? - ANS✅✅True
In a phylogenetic tree, the hash marks represent the evolution of _______ characteristics in the
lineage. - ANS✅✅Derived
There are currently 3 domains that are recognized by taxonomists: Bacteria, Archaea, and Eukarya.
Which domain contains protists, nonvascular seedless plants, and vascular seedless plants? -
ANS✅✅Eukarya
In the scientific name, Crotalus whaleyi, what is the correct term for the second part of the name? -
ANS✅✅specific epithet
and answers graded A+
The chloroplasts of land plants are thought to have been derived according to what sequence? -
ANS✅✅cyanobacteria - green algae - land plants
All protists are? - ANS✅✅eukaryotic
Which pair of protists and their characteristics is mismatched?
Apicomplexan - internal parasites
Euglenozoans - unicellular flagellates
Entamoebas - ingestive heterotrophs
Ciliates - red tide organisms - ANS✅✅Ciliates - red tide organisms
(it's supposed to be dinoflagellates)
A large seaweed that floats freely on the surface of deep bodies of water would be expected to lack
what? - ANS✅✅Holdfasts
Reinforced, threadlike pseudopods that can perform phagocytosis are generally characteristic of? -
ANS✅✅Radiolarians
A porous, multichambered test (shell) of calcium carbonate is characteristic of? -
ANS✅✅Foraminiferans
Why have biologists hypothesized that the first land plants had a low, sprawling growth habit? -
ANS✅✅The 1st land plants lacked the structural support to stand erect in the air.
Spores and seeds have basically the same function to disperse plants' genetic material, but are vastly
different because? - ANS✅✅spores and unicellular; seeds are not
Retaining the zygote on the living gametophyte of land plants does what? - ANS✅✅allows it to be
nourished/protected by the parent plant
, A student encounters a pondweed that appears to be a charophyte. Which of the following features
would help determine whether it is actually from a charophyte or from some other type of green
alga? - ANS✅✅the structure of flagellated sperm cells, the presence of phragmoplasts and rings of
cellulose-synthesizing proteins
Liverworts, hornworts, and mosses are all grouped together as the Bryophytes. Besides not having
vascular tissue, what do they all have in common? - ANS✅✅they require water for reproduction
What is the evolutionary history of a species or a group of related species? - ANS✅✅phylogeny
A phylogenetic tree of snakes and legless lizards show that these 2 groups evolved independently - in
different lineages - from a common legged lizard ancestor. What is this an example of? -
ANS✅✅convergent evolution
The classifying and naming of prairie rattlesnakes and massasauga rattlesnakes into the family
Crotalidae is an example of what scientific discipline? - ANS✅✅taxonomy
The 2-part scientific name of a species is called a? - ANS✅✅binomial
In an organism's scientific name, the first part of the name is the genus and the second part of the
name is the specific epithet. True or false? - ANS✅✅True
The taxonomic groups from broad to narrow are domain, kingdom, phylum, class, order, family,
genus, and species. True or false? - ANS✅✅True
In a phylogenetic tree, the hash marks represent the evolution of _______ characteristics in the
lineage. - ANS✅✅Derived
There are currently 3 domains that are recognized by taxonomists: Bacteria, Archaea, and Eukarya.
Which domain contains protists, nonvascular seedless plants, and vascular seedless plants? -
ANS✅✅Eukarya
In the scientific name, Crotalus whaleyi, what is the correct term for the second part of the name? -
ANS✅✅specific epithet
