ANSWERS
/. green algae - Answer-✅What are the most direct ancestors of land plants?
a. photosynthesizing prokaryotes (cyanobacteria)
b. kelp (brown alga) that formed large beds near the shorelines
c. liverworts and mosses
d. green algae
/.only green algae have flagellated, swimming sperm. - Answer-✅What are the major
distinctions between plants and green algae?
a. only green algae have flagellated, swimming sperm.
b. meiosis proceeds at a faster pace in green algae than in plants.
c. embryos are not retained within parental tissues in green algae.
d. only plants form a cell plate during cytokinesis.
e. chlorophyll pigments in green algae are different from those in green plants.
/.megasporangium, megaspore, egg, ovule - Answer-✅Which set contains the most
closely related terms?
a. megasporangium, megaspore, egg, ovule
b. microsporangium, microspore, carpel, ovary
c. microsporangium, microspore, egg, ovary
d. megasporangium, megaspore, pollen, ovule
/.plantae - Answer-✅Which official taxon is essentially equivalent to the term
"embryophytes"?
a. Pterophyta
b. Streptophyta
c. Charophycea
d. Viridiplantae
e. Plantae
/.sporophyte is diploid and produces spores - Answer-✅In the process of alternation of
generations, the ________.
a. sporophyte is haploid and produces gametes
b. spores unite to form a zygote
c. gametophyte is diploid and produces gametes
d. sporophyte is diploid and produces spores
e. gametophyte is haploid and produces spores
, /.aminal predation - Answer-✅Which of the following was not a challenge for survival of
the first land plants?
a. absorbing enough light
b. sources of water
c. desiccation
d. animal predation
e. sperm transfer
/.contain eggs - Answer-✅Archegonia ________.
a. are sites where male gametes are produced
b. make asexual reproductive structures
c. are ancestral versions of animal gonads
d. contain eggs
e. have the same function as sporangia
/.antheridia and archegonia are produced by gametophytes - Answer-✅Which of the
following is TRUE of the life cycle of mosses?
a. The growing embryo gives rise to the gametophyte.
b. Eggs are primarily distributed by water currents.
c. The sporophyte generation is dominant.
d. The haploid generation grows on the top of sporophyte.
e. Antheridia and archegonia are produced by gametophytes.
/.ferns - Answer-✅A botanist discovers a new species of plant in a tropical rain forest.
After observing its anatomy and life cycle, he notes the following characteristics:
flagellated sperm, vascular tissues, separate gametophyte and sporophyte generations
with the sporophyte dominant, and no seeds. This plant is probably most closely related
to ________.
a. gymnosperms
b. mosses
c. flowering plants
d. charophytes (stoneworts)
e. ferns
/.the growing embryo gives rise to the gametophyte - Answer-✅The following are all
true about the life cycle of mosses except
a. gametophytes germinate from spores.
b. flagellated sperm are produced.
c. antheridia and archegonia are produced by gametophytes.
d. gametes are produced by meiosis.
e. external water is required for fertilization.
/.haploid spores - Answer-✅In plants, which of the following are produced by meiosis
a. diploid gametes
b. haploid sporophytes
c. diploid spores