Evolutionary Advantages
What do plants use to make their own energy?
Photosynthesis
Do seed plants require external water for reproduction?
No
What are the functions of seeds?
To enhance dispersal and heighten fitness
What grows underground and anchors the plant?
Roots
The pollen reaches
the ovules by landing
on the stigma, and
through cell division
of the pollen, a pollen
tube grows and
extends through the
style.
Fertilization would continue because self-
incompatible plants rely on pollen from other
individuals
Name any reproductive advantage that plants have?
pollen and seeds, flowers and fruits, alternation of generations
The last common ancestor of
gymnosperms and angiosperms had
all except:
Flowers
What is a factor that contributes to angiosperm diversity?
Flowering plants with animal pollinators can reproduce even if they are far apart
What is the primary site from photosynthesis?
Leaves (or stomata)
Name a way seeds are dispersed
Animals, wind
Why do plant cells have cell walls?
to provide structural support and to maintain turgor pressure
What is the most recently evolved type of plant?
Angiosperms
Which statement comparing Green Algae
and Plant Life Cycles is true?
Plants have two distinct adult life stages, algae have
one
What is the function of the xylem?
transports water and minerals upward from the roots
Asexual reproduction can be
through
Apomixis or Vegetative
To prevent from drying out on land, what did plants evolve?
Waxy cuticle or stomata
Eudicots are abundant in what environment?
Forests
What are the major challenge early land
plants faced, and bryophytes continue to
face, in adapting an ancestral aquatic
reproductive cycle to land?
Successful fertilization by free-swimming sperm is
rare because it generally requires continuous water
films connecting male and female gametophytes
What is the function of the phloem?
transports sugars and compounds through out the plant
What might be a reasonable hypothesis
for why simply placing a beehive in the
middle of the greenhouse failed to
pollinate the large, long, and conical
purple flowers?
The bees cannot reach far enough into the flower
to obtain pollen.
Why is genetic diversity important in crops?
adaptation to changing climate, resist diseases, ensure food security
What is the distinctive feature of lycophytes?
Leaves only have one vein
What is double fertilization?
two sperm cells fuse with two separate female cells inside the ovule
Explain angiosperm pollination
The pollen reaches
the ovules by landing
on the stigma, and
through cell division
of the pollen, a pollen
tube grows and
extends through the
style.
Is an almond a fruit?
Yes!