Biology 1407: Lecture Exam 3 Questions With Complete
Solutions
2,3 Correct Answers In Angiosperms, the seed coat has .... set
of chromosomes while the endosperm has ...... set of
chromosomes
8 Correct Answers In onions ( Allium), cells of the sporophyte
have 16 chromosomes within each nucleus. Match the number
of chromosomes present in each of the following onion tissues.
How many chromosomes should be in the nucleus of an egg
within the embryo sac prior to fertilization?
Animals could also move onto land because there were
opportunities for new food sources. Correct Answers Which of
the following could occur only after plants moved from the
oceans to land?
Annelida Correct Answers Leeches belong to ............ phylum
are unicellular; seeds are not Correct Answers Spores and
seeds have basically the same function—dispersal—but are
vastly different because spores ________.
Arthropoda Correct Answers All insects belong to ..............
phylum
Bilateral Correct Answers Because the butterfly can be divided
into two halves that are mirror images of each other, it has
_____ symmetry
, Charophytes Correct Answers .................. is sister taxa to all
land plants.
choanocyte Correct Answers In terms of food capture, which
sponge cell is most similar to the cnidocyte of a cnidarian?
choanoflagellate Correct Answers Which of the following
would you classify as something other than an animal?
choanoflagellates Correct Answers The ancestor to all animals
is believed to be....
choanoflagellates and sponges are sister groups Correct
Answers The fact that choanoflagellates and collar cells of
sponges resemble each other supports the inference that
________.
containing a nutrient store for a developing sporophyte Correct
Answers The advantages of seeds, compared to spores, include
________.
contributed to a hydrostatic skeleton, allowing greater range of
motion Correct Answers What was an early selective
advantage of a coelom in animals? A coelom ________.
double internal fertilization Correct Answers Which of the
following is a characteristic of all angiosperms?
False Correct Answers Double fertilization is an event unique
to Gymnosperms.
Solutions
2,3 Correct Answers In Angiosperms, the seed coat has .... set
of chromosomes while the endosperm has ...... set of
chromosomes
8 Correct Answers In onions ( Allium), cells of the sporophyte
have 16 chromosomes within each nucleus. Match the number
of chromosomes present in each of the following onion tissues.
How many chromosomes should be in the nucleus of an egg
within the embryo sac prior to fertilization?
Animals could also move onto land because there were
opportunities for new food sources. Correct Answers Which of
the following could occur only after plants moved from the
oceans to land?
Annelida Correct Answers Leeches belong to ............ phylum
are unicellular; seeds are not Correct Answers Spores and
seeds have basically the same function—dispersal—but are
vastly different because spores ________.
Arthropoda Correct Answers All insects belong to ..............
phylum
Bilateral Correct Answers Because the butterfly can be divided
into two halves that are mirror images of each other, it has
_____ symmetry
, Charophytes Correct Answers .................. is sister taxa to all
land plants.
choanocyte Correct Answers In terms of food capture, which
sponge cell is most similar to the cnidocyte of a cnidarian?
choanoflagellate Correct Answers Which of the following
would you classify as something other than an animal?
choanoflagellates Correct Answers The ancestor to all animals
is believed to be....
choanoflagellates and sponges are sister groups Correct
Answers The fact that choanoflagellates and collar cells of
sponges resemble each other supports the inference that
________.
containing a nutrient store for a developing sporophyte Correct
Answers The advantages of seeds, compared to spores, include
________.
contributed to a hydrostatic skeleton, allowing greater range of
motion Correct Answers What was an early selective
advantage of a coelom in animals? A coelom ________.
double internal fertilization Correct Answers Which of the
following is a characteristic of all angiosperms?
False Correct Answers Double fertilization is an event unique
to Gymnosperms.
