10/15 Angiosperm Flashcards
Antho
Greek for flower
4 modified leaves are
Sepals, petals, stamen, carpel
another name for sepals
calyx
another name for petals
corolla
stamen
anther with pollen grain
carpel
ovary with ovules
angiosperm plant is a sporophyte with…
gametophytes in its flowers
angiosperms have a seed that is covered by?
a fruit
double fertilization
pollen tube discharges two sperms into the female gametophyte
sperm+egg —>
embryo n
sperm+ two nuclei —>
endosperm n
Ovule develops into what?
seed
Ovary develops into what?
fruit
Fruit is a what?
ripen ovary
what is the benefit of having a flower?
A
Function of fruit
protects the seed and aids in dispersal.
what is the benefit for improving seed dispersal?
A
plants w/o showy flowers and no nectar, are most likely pollinated by?
A
how do they improve their chances of fertilization?
A
why do not all flowers have colorful petals or sweet fragrances?
A
fact
90% of angiosperms are pollinated by animals
why pollinated by animals?
A
What does the animal get in return?
A
How does the animal know that there is a reward?
A