Game Smartz

Plant Reproduction and Diversity

Science

alternation of generation

a life cycle where generations alternate between haploid (n) and diploid (2n)
alternation of generation Simple Definition

anther

the pollen-producing structure of a flower’s stamen
anther Simple Definition

auxin

a plant hormone that that stimulates cell elongation
auxin Simple Definition

carpel

the ovary, style, and stigma in flowering plants, it produces female gametophytes
carpel Simple Definition

cytokinin

a plant hormone that stimulates cell division to grow roots, fruits, and branches
cytokinin Simple Definition

dormancy

a period where an organism is alive but inactive and does not grow
dormancy Simple Definition

double fertilization

fertilization in angiosperms, which produces a diploid zygote and triploid endosperm
double fertilization Simple Definition

endosperm

food-rich tissue that nourishes an angiosperm embryo as it grows
endosperm Simple Definition

ethylene

a gaseous plant hormone that ripens fruit
ethylene Simple Definition

gibberellin

a plant hormone that stimulates cell growth
gibberellin Simple Definition

gravitropism

the growth of plants caused by gravity, stems grow upwards and roots grow downwards
gravitropism Simple Definition

hormone

a chemical produced in the body that affects the development of target cells
hormone Simple Definition

long day plant

a plant that flowers when the days are long (over 12-14 hours of light)
long day plant Simple Definition

ovary flower

the lower part of a pistil that produces seeds in ovules
ovary flower Simple Definition

petal

colored leaf-like part of a flower
petal Simple Definition

photoperiodism

a plant’s response to changes in the length of day and night
photoperiodism Simple Definition

phototropism

the growth of a plant towards a light source
phototropism Simple Definition

pistil

the female reproductive organ of a flower
pistil Simple Definition

seed coat

the tough protective tissue around a plant embryo that keeps it from drying out
seed coat Simple Definition

sepal

a leaf like structure below the petals, it protects the flower when it is a bud
sepal Simple Definition

short day plant

a plant that requires more than 12 hours of darkness to flower
short day plant Simple Definition

stamen

the male reproductive part of a flower
stamen Simple Definition

thigmotropism

the response of a plant when it touches an object, like a vine coiling around a pole
thigmotropism Simple Definition

tropism

a change in a plant’s growth in response to external factors, like growing towards the light
tropism Simple Definition

Related Chapters