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Life Cycles - Plants
Dandelions disperse their seeds by wind.

Life Cycles - Plants

Plants grow, change, and reproduce through life cycles. In KS2 Science, pupils explore how seeds, flowers, and fruits continue the journey of plant survival.

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Fascinating Fact:

Some desert plants keep their seeds dormant for years until rain arrives, then they quickly grow and flower before the soil dries out again.

In KS2 Science, pupils study how plants grow from seeds, develop flowers, and create new seeds. These life cycles ensure plants reproduce and carry on their species.

  • Germination: The process of a seed starting to grow into a new plant.
  • Pollination: The transfer of pollen from one flower to another, often by insects or wind.
  • Seed Dispersal: The way seeds are spread to new places, such as by animals, wind, or water.
What are the main stages of a plant’s life cycle?

A plant’s life cycle includes germination, growth, flowering, pollination, seed formation, and seed dispersal.

Why is pollination important for plants?

Pollination allows plants to produce seeds, which are necessary for making new plants and continuing the species.

How do plants spread their seeds?

Plants spread seeds by animals carrying them, the wind blowing them, or water floating them to new places.

1 .
Which of the following is true?
All plants grow from seeds
All plants have flowers
All plants can reproduce
All plants have fruit
All plants reproduce, but not all plants reproduce by flowering 
2 .
Flowering plants produce many seeds which never grow. Why do they do this?
Because many of the seeds are defective
Because some of the seeds will not have enough soil to germinate
Because many of the seeds will be eaten by animals, blown away by the wind, or washed away
Because some seeds will not receive enough food to survive
The more seeds a plant produces, the better its chance of reproducing
3 .
Which part of a flowering plant grows into a fruit?
Petals
Stem
Seed
Ovary
The fertilised ovary, containing seeds, develops into a fruit
4 .
Why do plants need sunlight?
Plants use sunlight to make food
Sunlight makes plants warm
Sunlight allows plants to flower
Sunlight keeps plants from getting too wet
Although seeds can germinate without sunlight, plants need it to make their food, using a process called photosynthesis
5 .
What happens if seeds are planted too closely together?
None of the seeds will grow
The young plants struggle to compete for moisture and nutrients
Only one seed will grow
The young plants will be healthier
Plants need space to spread their roots and stems
6 .
What is dispersal?
The ripening of a seed pod
The method by which a plant spreads its seeds
The transfer of pollen to the stigma
The length of time it takes a seed to germinate
Plants have several methods of dispersing seeds - by wind, by explosion, by animal, even by water - coconut palms can disperse their seeds (coconuts) by sea
7 .
Which part of a flowering plant is male?
Stamen
Stigma
Petals
Seeds
The stamen produces pollen
8 .
What do seeds need in order to germinate?
Water and soil
Sunlight and soil
Water and warmth
Sunlight and warmth
Seeds can germinate without light or soil, but cannot germinate in a cold, dry place
9 .
Which of the following words describes the moment a seed begins to grow?
Pollination
Dispersal
Flowering
Germination
Seeds need certain conditions before they can germinate
10 .
Which of the following plants disperses its seeds by wind?
Beech trees
Dandelions
Apple trees
Poppies
Have you ever blown the seeds from a dandelion clock?
You can find more about this topic by visiting BBC Bitesize - What are the stages of a plant's life cycle?

Author:  Sheri Smith (PhD English Literature, English Teacher & Quiz Writer)

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