Plants - Reproduction

Front 1

Petals and nectaries

Back 1

often used to lure insects and other animals to assist in the delivery of pollen

Front 2

stigma

Back 2

stigma is the sticky part of the carpel and is used to collect pollen grains

Front 3

Carpel

Back 3

the stigma, style, ovary and egg cell (ovule) make up the female part of the plant.

Front 4

Ovary

Back 4

Protects the ovules

Front 5

Reptacle

Back 5

holds up the flower

Front 6

sepal

Back 6

protects the flower bud before it opens

Front 7

Style

Back 7

supports the stigma, it is the tube that pollen grains go through to enter the ovary

Front 8

Ovule

Back 8

the part of the ovary of the seed plant that contains the female germ cell, after fertilisation it becomes the seed

Front 9

Filament

Back 9

Holds up the anther

Front 10

stamen

Back 10

the filament and the anther make up the male part of the plant.

Front 11

Pollination

Back 11

pollination describes the way in which pollen grains reach the stigma.

Front 12

self-pollination

Back 12

the process of plants pollinating themselves.

Front 13

cross-pollination

Back 13

The process in which pollen grains are transferred to other flowers by wind, insects and other animals.

Front 14

insect-pollinated flower

Back 14

they have attractive, brightly coloured petals and nectaries. The pollen grains themselves may be in a shape that make the, become easily attached to the insect.

Front 15

wind-pollinated flowers

Back 15

less conspicuous and have no large scented petals or nectar. Their shape enables small, light pollen grains to be shaken from the plant and carried away with little wind. the anther hang outside the flower and the stigma catches the airborne pollen grains.

Front 16

process of plant pollination

Back 16

only a few of the pollen grains actually fertilise an egg cell. Pollen grains the reach the stigma become trapped by a sticky fluid that provides them with nutrients. The fluid triggers the pollen grain to burt open and develop a pollen tube. It goes down the style until it reaches the ovule, it fuses with the ovum. Fertilisation has occurred and a zygote is formed.