School Stinks
I want a Snow Day
Labs are Trash
I'm sleepy
Hw is useless
100
What does meiosis and fertilization take place in and what for?
this takes place in the flower for reproduction
100
What are pistillate flowers?
Flowers that only contain female reproductive organ
100
What is self pollination?
pollen transfer between parts of the same flower or between flowers of the same plant
100
1st step of germination?
pollen grains germinate on stigma
100
Zygote, ovule, and ovary become what???????????
zygote-develops into embryo ovule-becomes the seed ovary-becomes fruit
200
True or False. Flower can only contain either the male or the female reproductive organ
False
200
What is the anther part of?
Stamen
200
What is cross pollination?
transfer of pollen to flowers on different flowers
200
What are fruits there for?
structure to help with dispersal
200
What does the seed coat and embryo develop from?
seed coat-develops from outer coating of ovule embryo-develops from zygote
300
What is the stamen?
The male reproductive organ
300
What is the anther's role in gamete formation?
produces pollen grains by meiosis
300
Methods of pollination???????
wind, water, birds, insects
300
3rd step of pollination?
2 sperm form in the pollen tube & travel to the ovule
300
Some seeds contain ___________ stored starch (food for __________)
endosperm, embryo
400
What is the pistil?
The female reproductive part
400
By the process of ____________, __________ develop in the __________ of the pistil and contain a ____________ ___ _________.
meiosis, ovules, ovary, monoploid egg nucleus
400
Visual way of pollination?
colorful petals can attract insects and birds
400
Pollen grains have thick walls to???????????
prevent dehydration during transfer to stigma
400
What does the epicotyl, cotyledon, hypocotyl do?
epicotyl-forms leaves, upper parts of stem cotyledon-stored food (starch) hypocotyl-form roots, lower stem
500
What are staminate flowers?
flowers that contain only stamen
500
What is pollination?
transfer of pollen from the anther of a stamen, to a stigma of a pistil
500
Chemical "way" of pollination?
nectar can attract insects, birds...........
500
Fertilization?????????????/
union of gametes forms (2n) zygote
500
What does germination require?
appropriate temperature, water, oxygen
M
e
n
u