SCIENCE
what is the female reproductive structure of a flower
the pistol
what do we call the often brightly colored parts of a flower
the petals
what do we call the movement of materials through a plant
transport
what is the biological response of a plant to changes in the proportation in light and dark
photoperiodism
what are the functions of the stomata
hellp gases pass in and out of the leaves
what is the structure that contains the egg cell of a seed plant
the ovule
what do we call the male reproductive structures of a flower
the stamen
what causes the growth of a plant toward a light source
phototropism
how are angiosperms pollinated
insects,wind,water,birds and other animals
what would happen if a plant didn't have leaves
wouldn't be able to make sugar
WHAT ARE THE LEAF LIKE STRUCTURES THAT COVER AND PROTECT THE IMMATURE FLOWER
the sepals
what is the name of the organism in its earliest stages of dovelopment
embryo
what do we call the loss of water vapor
transpiration
what is on very important fact that seeds depend for germanation
temperature of its environment
why are some flowers beautiful and some are not
there features
WHAT IS THE NAME GIVEN TO THE TIP OF THE PISTIL
the stigma
photosynthesis
what do we call plant movements that are not related to the direction of the stimulus
nastic movements
two differences of angiosperms and gymnosperms
gymnosperms are naked seeds
what is tropism
are growth responses
what do we the dust like particles that carry the sperm cells of seed plants
pollen
what is cellular respiration
breaking down of food molecules
what is the name for the regular growth and activity that occur in approximately 24 hours
circadian cycles
when do sperm cells in conifers reach the egg stage
only after pollination
what is negative tropism
grows away from the stimulus