Unit 5B: Life Cycles Life Cycles T Unit 5B: Life Cycles.

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Unit 5B: Life Cycles Life Cycles T Unit 5B: Life Cycles

Unit 5B: Life Cycles: Vocabulary Some useful words Stamen Style Stigma Sepal Petal Ovary Pollen Reproduction Germination Pollination Fertilisation Dispersal the pollen producing part of the flower where the pollen tubes grow a sticky section of the flower where the pollen lands the outermost section of the flower which is usually green and smaller than the petals usually the brightly coloured parts of the flower used to attract the insects this protects the ovule and once fertilisation has taken place it will become the fruit. minute grains, usually yellow in color organisms generate new individuals of the same kind when a seed starts to grow transfer of pollen from the stamen to a stigma the combining of cells, leading to reproduction when the seed leaves the flower V Unit 5B: Life Cycles: Vocabulary

Unit 5B: Flowering Plants Reproduce Where did the fruits grow from? What will happen to the fruits? Why are they important to the plant? ? Unit 5B: Flowering Plants Reproduce: L.O. 1: N.C.

Unit 5B: Seed Dispersal: L.O. 2, 3, 4: N.C. Why do the seeds needs to be dispersed? How do you think each of the seeds above are dispersed? ? Unit 5B: Seed Dispersal: L.O. 2, 3, 4: N.C.

Unit 5B: Germination: L.O. 5, 6, 7, 8, 9, 10: N.C. What do plants need to grow? What do you think seeds need to germinate? Make a list of the factors that you think may affect the germination of cress seeds. Select one to investigate. Which one have you chosen? What will you measure and record? How long will you allow for the investigation? How will you keep it a fair test? How will you record your results? WATER LIGHT WARMTH I Unit 5B: Germination: L.O. 5, 6, 7, 8, 9, 10: N.C.

Unit 5B: Germination: L.O. 5, 6, 7, 8, 9, 10: N.C. …cont Once you have all the results from your investigation make a conclusion from your results. What do they show? You will need to confer with other groups to see what their findings were. Do seeds need warmth to germinate? Do seeds need water to germinate? Do seeds need light to germinate? Are the results as you would have expected them? I Unit 5B: Germination: L.O. 5, 6, 7, 8, 9, 10: N.C.

Unit 5B: Germination: L.O. 5, 6, 7, 8, 9, 10: N.C. Support slide Germination Do seeds need light to germinate? Put equal numbers of cress seeds in 2 dishes on cotton wool. Water each dish with the same amount of liquid. Place one of the dishes in a dark room and one near the window. It is important that they are both the same temperatures to make this a fair test. Water the 2 dishes every 2 days and check if any of the seeds have germinated I Unit 5B: Germination: L.O. 5, 6, 7, 8, 9, 10: N.C.

Unit 5B: Pollination: L.O. 11: N.C. D Unit 5B: Pollination: L.O. 11: N.C.

Unit 5B: Animals and young Unit 5B: Animals and young: L.O. 14, 15: N.C.

Unit 5B: The Life Cycle of a Plant D Unit 5B: The Life Cycle of a Plant: L.O. 13: N.C.

Unit 5B: Flowers Flowers D Unit 5B: Flowers: L.O. 12: N.C.

Unit 5B: What if Animals don’t Reproduce? Unit 5B: What if Animals don’t Reproduce: L.O. 16: N.C.

Unit 5B: Life Cycles – summary slide Seeds disperse Wind Plants reproduce Warmth Germination Animals Seed dispersal Insects Water Food Life Cycles Babyhood Pollination Plants life cycle Fertilisation Humans reproduce Childhood Seed production Germination Seed dispersal Adolescence Adulthood S Unit 5B: Life Cycles - summary slide