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Reproduction 01

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Reproduction 01

Reproduction is how living things make new individuals. In KS3 Science, students explore both sexual and asexual reproduction in plants, animals, and humans.

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Fascinating Fact:

Some plants, like the corpse flower, smell like rotting meat to trick flies into pollinating them.

In KS3 Science, pupils study reproduction to understand how life continues. They learn how plants spread seeds, how animals produce offspring, and the key differences between sexual and asexual reproduction.

  • Reproduction: The process by which living things make more of their own kind.
  • Pollination: The transfer of pollen from one flower to another, often by wind or insects.
  • Asexual Reproduction: Reproduction involving only one parent, producing identical offspring.
What is reproduction in KS3 Science?

Reproduction is the process by which living organisms produce new individuals. It can happen sexually, involving two parents, or asexually, with just one parent.

How do plants reproduce?

Plants can reproduce sexually through flowers and seeds or asexually through runners, bulbs, and cuttings that grow into new plants.

What is the difference between sexual and asexual reproduction?

Sexual reproduction involves two parents and creates variation in offspring. Asexual reproduction needs only one parent and produces clones.

1 .
The life support system for a baby is in:
the ovary
the oviduct
the uterus
the vagina
It is called the placenta
2 .
Which of the following is NOT part of the female reproductive system?
Ovary
Testes
Uterus
Vagina
These are part of the male reproductive system
3 .
In the female reproductive system, an egg is released monthly from which organ?
An ovary
The oviduct
The uterus
The vagina
A female human is born with a limited supply of eggs
4 .
In the male reproductive system the urethra carries:
just sperm
just urine
sperm or urine
neither sperm nor urine
The urethra carries sperm or urine, but not at the same time
5 .
Which of the following is NOT part of the male reproductive system?
Oviduct
Penis
Scrotum
Sperm duct
Eggs pass through this organ from the ovary to the uterus
6 .
Choose the correct order leading to a fertilised egg attaching itself to the uterus wall.
Cell division, ovulation, fertilisation, implantation
Fertilisation, cell division, implantation, ovulation
Implantation, cell division, ovulation, fertilisation
Ovulation, fertilisation, cell division, implantation
If you are not sure what each of these scientific terms mean, look them up as soon as possible
7 .
Fertilisation of an egg occurs in:
the ovary
the oviduct
the uterus
the vagina
The oviduct is also called the fallopian tube
8 .
Choose the correct order for the changes in the uterus wall which occur every month in a fertile woman.
Egg is released, uterus stays thick, lining breaks down, uterus wall thickens
Egg is released, uterus wall thickens, stays thick, lining breaks down
Uterus lining thickens, stays thick, lining breaks down, egg is released
Uterus wall thickens, egg is released, uterus lining stays thick, uterus lining breaks down
This is controlled by hormones that circulate in the bloodstream
9 .
When sexual intercourse takes place:
sperm are released into the ovary
sperm are released into the oviduct
sperm are released into the uterus
sperm are released into the vagina
From there, they 'swim' through the uterus into the oviducts. Most of them die on the way and only one can fertilise an egg cell
10 .
In the male reproductive system sperm are produced:
in the penis
in the sperm duct
in the testes
in the urethra
Sperm cells are very tiny compared to an egg cell but they have a sort of tail that enables them to travel from the vagina to the oviduct
You can find more about this topic by visiting BBC Bitesize - Reproduction

Author:  Sue Davison (Chemistry Specialist & KS3 Science Teacher, Quiz Writer)

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