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Reproduction in flowering plants IEB Life Sciences
This presentation covers reproduction in flowering plants as part of the IEB syllabus
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REPRODUCTION INFLOWERING PLANTS
BY TAYLA OWEN-JONES
,WHAT IS REPRODUCTION?
• It is the ability of organisms to
produce a new generation of
themselves ➡️this process passes on
genes and so is crucial to evolution
• You get two types: Sexual and
Asexual
Asexual
• Asexual refers to the production of a
new generation by ONE parent
• Sexual refers to a new generation by
Sexual
bringing together genetic material of
two parents
, SIMILARITIES AND DIFFERENCES
Character Asexual Sexual
• Some similarities include: No. of Parents One: All can reproduce Two: Male and F
• Produce same type of organisms Process Mitosis no fusion of cells it is Meiosis and Fer
therefore quicker fusing of two ce
which prevents extinction Gamete formation No Gametes Gametes forme
• Food is protected Result Offspring is identical to parent ➡️ Offspring are ge
no variation as alleles not shuffled ➡️there is varia
shuffled ➡️game
Differences? meisos and alle
fertilization for n
Value In an unchanging, stable In changing, un
environment those which are well environments in
adapted are preserved variation can ad
Reproduction is possible where conditions
there is little or few mates
Rate of production Faster ➡️all can produce Slower ➡️not all
Energy Input More efficient as less energy Less efficient as
A quick reminder! Gametes are sex needed needed to produ
find a mate
cells Outside Agents and Non and no ability to adapt Pollinators such
Ability to Adapt Also has ability
Possibility of Low, usually no genotype variation High chance, Ge
Evolution
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