Chapter 2.2 From Pollen To Seed Flashcards
_________is the uniting of a sperm cell from a pollen grain with an egg cell into the ovary ; this leads to the formation of a seed
FERTILIZATION
The transfer of pollen from the anther to the stigma is called _______
POLLINATION
Insects like bees,moths, and ants along with bats and some birds are called ________ because they also aid in pollination.
POLLINATORS
______is the sweet liquid usually stored in the base of the blossom.
NECTAR
A _________begins growing from the pollen’s location on the stigma, traveling through the style and into the ovary.
POLLEN TUBE
The _______(male reproductive cell) of the pollen grain divides to form two ______
SPERM CELL(S)
The sperm cells move through the pollen tube, and one of them unites with the _____ (female reproduction cell) in the ovule, causing fertilization
EGG CELL
The fertilized egg ( the egg cell and sperm cell combined ), called the ____ , is the beginning of a new plant.
EMBRYO
Stored food is called an ____
ENDOSPERM
A _____surrounds the embryo and endosperm and protects the seed until it can grow.
SEED COAT
The tiny shoot that will become the stem and leaves is called a _____
PLUMULE
The small root that will develop into the root system is called a _____
RADICLE
Structures designed for food absorption and storage are called ____
COTYLEDONS
The early growth of a seed is _______
GERMINATION
Plants whose seeds only have one cotyledon are called _______
MONOCOTS