-
are flowers needed for continuation of a species?
False. an use veggie parts (ex.strawberry runners)
-
Flower types
- Bisexual/perfect-Flower with both male/female parts
- Monoecious-have male and female blooms on one plant. ex.cucumber,sweet corn
- Dioecious-have one male or female on a plant and need another plant ex holly,date palm
-
Steril flowers
- have double set of petals
- caused by mutation in which sexual parts developed into petals.
-
three main parts of a pistil or carpel
- Stigma-the top
- Stigma-thin vertical shaft
- ovary-bulb like base(inside ovules develop into seeds)
-
flower structure made up of
- Central Female structure
- pistil
- surrounding male parts called stamen
- Nonreproductive parts called perianth
-
stamens are composed of
- anther at the top which produces pollen
- sporting stock called the filament
-
beneath reproduction parts are the petals and the sepals(We flake based beneath the pedals) under this is the...
receptacle- and large base where the flower rests
-
colored petals do two things
- attract insects was transferred pollen and shield the pistol and stamens from the weather
- sepals for covering of the developing flower bud.
-
flower clusters or inflorescences are named by...
the bases on the positioning of the blooms
-
primary difference between fruits(enlarged ovaries is)
fleshy or dry
-
fleshy fruits are
- have lots of water
- ex plums strawberries,cucumbers squash
-
dry fruits include
pecans,sunflowers,contain very little water
-
Dehiscent
whether the fruit splits during maturity releasing the seed
-
indehiscent
when the fruit does not split during maturity ex pods like beans or peas
-
fruits classified by position
- drupe fruit- fleshy exterior and a single seed encased in hard covering
- pome fruits- mature with multiple seed ovary ex apples
- berry- have one more seeds soft fleshy covering examples great, tomatoes,
-
achenes fruits
see born outside the juicy part example strawberry, Dandelion
|
|