Reproduction
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What is the aim of reproduction?
To produce a new living organism which will at some point will become independent from it’s parent
Why is it important for species to reproduce?
Species reproduce in order to survive
What is sexual reproduction?
Sexual reproduction involves two parents who’s offspring is made up from the genetic information from both parents
What is asexual reproduction?
Asexual reproduction is when there is only one parent and the offspring is an identical copy
What is another name for sex cells?
Gametes
What are the main parts of a female animal reproductive system?
Ovaries, oviducts, uterus,cervix,vagina
What are the main parts of a male animal reproductive system?
Penis, scroutm, testis, sperm duct, prostate gland, urethra
What is a male and females nail am gametes called?
Female= eggs from ovaries Male= sperm from testis
When does fertilisation occur?
Fertilisation occurs when the nucleus of the male gamete fuses with the nucleus of the female gamete
What is the name given to body cells?
Diploid
How many chromosomes does a diploid cell contain?
46
What is the name given to gemete cells?
Haploid
How many chromosomes do haploid cells contain?
23
During fertilisation, what do two haploid cells fuse to create?
A diploid zygote
What is budding?
When cells of the patent split into two identical daughter cells
What is parthenogenesis?
It is when eggs are laid without needing to be fertilised in asexual reproduction in animals
What is regeneration?
Regeneration is when a part of the body which had become detached can we grow into a whole new organism
What does the structure of the Flower consist of?
Petals Sepal Nectary Filament Anther Stigma Style Ovary
What is the stamen?
It is the male part of the plant that consists of the anther and the filament
What is the carpel?
It is the female part of the plant that consists of the stigma, style and the ovary
What is the male gamete in plants?
Pollen, from the anthers
Where is the female gamete produced in a plant?
Ovule, in the ovaries
Describe the look of a insect pollinated plant
Brightly coloured petals Strong sweet smell Sticky stigma Sticky pollen Stigma and stamen are located within the flower
Despicable the appearance of a wild pollinated plant
Dull petals Small amount of pollen Large hanging stamen Feather like stigma