37) Ferns and horse tails are two great Monilophytes that you can often see growing close to one
another and so can be easily compared. Which features are not correctly paired with the
species on which they occur?
a. organs; both ferns and horse tails
b. microphylls; horse tails
c. sporangia; both ferns and horse tails
d. sporangiophores; horse tails
e. sori; horse tails and ferns
38) What derived traits do angiosperms have that gymnosperms lack?
a. endosperm
b. flowers
c. fruits
d. b & c
e. a & b & c
39) However, despite these differences, both angiosperms and gymnosperms both have:
a. pollen
b. seeds
c. vessel elements
d. a & b
e. a & b & c
40) If you look at a complete flower, you will notice that it has several whorls, or layers. What
is the correct order of whorls from the outermost (lowest) to the innermost (highest)?
(c=carpel, p=petals, se=sepals, st=stamens)
a. se, p, st, c
b. se, st, p, c
c. p, se, st, c
d. st, p, se, c
41) For an angiosperm such as a corn plant, the two sperm cells in the pollen tube will fertilize:
a. 1 egg cell only
b. 2 egg cells only
c. 2 gametophyte cells only
d. 1 egg cell and 2 female gametophyte cells (polar nuclei)
e. 1 egg cell and 2 endosperm cells
