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Fill in the blanks!

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Explanation

the offspring are genetically identical to the parent and to each other – they are clones.

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only one parent is needed in

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and the offspring produced are genetically

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Germination! match the words on the left to there definitions...

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Match the text
embryo
food store
seed coat

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a tough protective outer covering
starch for the young plant to use until it is able to carry out photosynthesis
the young root and shoot that will become the adult plant

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Plant reproduction. Place these in the correct order...

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1
2
3
4

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The pollen grain travels down the pollen tube to fertilise the female nucleus of the ovule
Pollen lands on stigma and grows a pollen tube
The fertilised ovule develops into a seed
After fertilisation the female parts of the flower develop into a fruit

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What are the two types of reproduction?

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Explanation

Asexual reproduction is for some plants, bacteria, fungi and the formation of tubers (i.e potato's). Sexual reproduction is for humans and other plants

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Homosexual

Bsexual

Asexual

Antisexual

Sexual

Xsexual

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Which of these are features for wind-pollination?

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flower has no scent or nectar.

Pollen grains are smooth and light.

Petals are large and brightly-coloured.

There is a large amount of pollen grains.

The anther is outside the flower and is loose on long filaments.

Flower is usually scented and with nectar.

There is a moderate number of pollen grains.

Pollen grains are sticky or spiky.

The anther is inside the flower and is stiff and firmly attached.

The stigma is inside the flower and is sticky.

Petals are small and often a dull green or brown.

The stigma is outside the flower and is feathery

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Mach them up! (parts of a flower)

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Sepal
Petal
Stamen
Anther
Stigma
Ovary

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Produces the female sex cells (contained in the ovules)
The male part of the flower
The top of the female part of the flower, which collects pollen grains
Protects the unopened flower
Produces the male sex cells (pollen)
May be brightly coloured to attract insects

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Insect-pollinated flowers! Fill in the blanks...

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Explanation

Cross section through an insect-pollinated flower – the nectary produces sugary nectar to attract insects

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Flowers with brightly-coloured

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are usually insect-

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flowers. Insects carry

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from one flower to another

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Match the two words on the left with the correct definition.

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Match the text
Asexual Reproduction
Sexual

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Involves only a single organism, and the offspring inherit the genes of that parent only.
the production of new living organisms by combining genetic information from two individuals of different sexes.

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Just what is Germination? Fill in the blanks!

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is a process, controlled by enzymes, in which the seed begins to develop into a new young

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Three main factors are needed for successful germination.

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Wind-pollinated flowers! Fill in the blanks...

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Grasses have

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-pollinated flowers. They have small

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and there

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and

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hang outside the flower.

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Flowers are important in the

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of plants. They produce

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(also called pollen grains) and

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that are contained in the ovules. These must meet for reproduction to begin. The process is called

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What are the advantages to asexual reproduction?

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the species can adapt to new environments

can exploit a suitable habitat quickly

a disease is less likely to affect all the individuals in a population

introduces variation into a population

population can increase rapidly

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Which of these are features for insect-pollination?

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The anther is outside the flower and is loose on long filaments.

Petals are small and often a dull green or brown.

Pollen grains are sticky or spiky.

Petals are large and brightly-coloured.

Flower is usually scented and with nectar.

Pollen grains are smooth and light.

The anther is inside the flower and is stiff and firmly attached.

flower has no scent or nectar.

The stigma is outside the flower and is feathery

There is a large amount of pollen grains.

The stigma is inside the flower and is sticky.

There is a moderate number of pollen grains.

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Forming seeds and fruits (fertilisation)! Fill in the blanks...

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When a

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grain lands on the stigma of a flower of the correct

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a

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tube begins to grow. It grows through the style until it reaches an ovule inside the

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The nucleus of the pollen then passes along the

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tube and fuses with the nucleus of the ovule. This process is called

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What are the disadvantages to asexual reproduction?

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not possible for an isolated individual

time and energy are needed to find a mate

disease may affect all the individuals in a population

does not lead to variation in a population

the species may only be suited to one habitat