plant responses/hormones
what is a negative and posititve tropism?
moving away and moving towards
Which part attracts pollinators to the flower?
Petals
Which part protects the flower before it blooms?
Sepals
define anther
top part of the stamens
what is the name of natalie's dog?
squishy / Hazel
plants that do not bloom until the nights are longer
This part of the flower turns into the fruit/vegetable once fertilized (pollinated).
Ovary
Which sticky part of the flower is responsible for catching pollen?
Stigma
what are the major 3 stimuli's
light, gravity, touch
what is a vascular plant? What is a non vascular plant? provide an example of each
has tubes to transport nutrients, does not have tubes, uses osmosis to transport nutrients. Pine tree, Moss
what hormones determine the shape of a plant
auxins and cytokinins
what is the female part of the flower called
carpel
This part is responsible for producing the pollen.
Anther
Define: ovary
structure that contains the ovules
name a lesser known pollinator
Ants, flies, moths, butterflies,
what does the hormone ethylene do?
fruit to ripen
Which parts of the flower make up the entire male structure?
Anther + Filament
What is the female part of a flower called?
Pistil
these are small chemicals made by some plant tissues that affect how other plant structures grow
hormones
is a virus a live? explain
yes and no,
what is cytokinin?
a plant hormone that causes plant cells to divide
what do the ovules become later in fertilization?
the seeds
how does a flower become fertilized?
a pollen grain lands on another flowers stigma the pollen produces a pollen tube that grows down through the style to the ovary. Gametes travel down the tube to fertilize and egg in tan ovule
repeating cycle of gametophyte and sporophyte structures is called
alternation of generations
what is the difference between gymnosperm and angiosperm?
gymnospere produce cones before fertilization, angiosperm produce fruits after fertilization