definitions Flashcards
dispersal
dispersal is the transfer of a seed or fruit away from the parent plant
what is asexual reproduction
asexual reproduction involves only one parent
what is sexual reproduction
sexual reproduction involves the union of two sex cells or gametes
what are stamens?
the male parts of a flower
what are carpels?
the female parts of a flower
what is pollination?
pollination is the transfer of pollen from an anther to a stigma of a flower from the same species
what is self-pollination?
self-pollination involves the transfer of pollen from an anther to a stigma on the same plant
what is cross-pollination
cross-pollination involves the transfer of pollen from an anther to a stigma on a different plant
what is fertilisation?
fertilisation is the union of the male and female gametest to form a diploid cell (zygote)
what is a fruit?
a fruit is a developed ovary
what is germination?
germination is the regrowth of the embryo, after a period of dormancy, if the environmental conditions are suitable