Plants And Parts Flashcards
Leaves definition
Contain chlorophyll in chloroplasts for photosynthesis also let’s gasses in and out aswell as release water out
Root definition
Absorb nutrients holds onto the ground and absorbs water
Stem definition
Holds up leaves
Transport water from roots and transport sugar down from leaves
Plant life cycle
Seed
Seedling
Young plant
Adult plant
Flower
Fruit
Stamen
Male reproductive organ produces pollen and is made up of anther and filament
Carpel
Female reproductive organ,contains ovules and is made up of stigma style and ovary
Anther
Part of the stamen that contains pollen
Filament
Supports the anther so pollen is easier to transfer
Stigma
Part of the carpel designed to collect pollen
Style
Supports the stigma and connects it to the ovary, allows pollen to pass through
Ovary
Holds one or more ovules which become seeds when fertilized by pollen
Petal
Attracts pollinators to the flower often brightly colored
Sepal
First part of the flower to form In a bud and to protect the growing flower.
Pollination definition
The process when insects/ animals or wind transfer pollen from the anther to the stigma
Fertilization definition
Pollen and ovule meeting to form a zygote
What do plants need to grow
Light
Water
Nutrients
Air
Germination
Early growth/ development of a seed seed starts to sprout (plumule) and root (radical) this needs warmth water and oxygen
Wind pollination features
Doesn’t need petals,sent,nectar
Produce more pollen and pollen is smaller and tighter
Spread out stigma and feathery to catch passing pollen
Diffent ways seed are dispersed
Wind-small light seeds often feathery
Water-float &carried by rivers/seas
Bursting-some seed pods explode
Animals-seeds which are in fruit are eaten by animals then pooped out later
Word equations for photosynthesis
Carbondio+water——>glucose+oxygen
Light
Stomata features
Allow water and oxygen to leave and carbon dioxide to enter
Open and close to stop a plant from dehydration
Midrib
Supports shape of leaf and hold it up (middle of leaf)
Blade
Flat wide to catch sunlight for photosynthesis
Veins
Move water,nutrients and sugar
Petiole
Attaches to the plant
Green house gas
Gas that contributes to the green house affect
Green house effect
Trapping the suns earth in atmosphere
Global warming
Gradual increase in over all temperature
Climate change
Long term shift in weather or temperature
Essential life processes
Mrs gren
Movement all living things move even plants
Respiration getting energy from food
Sensitivity devoting changes in surrounding
Growth allliving things grow
Reproduction making more living things of the same type
Excretion getting rid of waste
Nutrition taking in and using food
Receptacle
To connect the stalk to the flower and to suport the flower
Why are Seed dispersed
Seeds need to be dispersed (spread away) from the parent plant to avoid competition for space light water and nutrients
