Animal cells, Plant cells and Human Reproduction and Fertilisation Flashcards
(20 cards)
what are the differences between animal and plant cells?
- plant cells have chloroplasts but animal cells don’t.
- plant cells also have cell walls and vacuole but animal cells don’t.
Finish this sentence.
The rigid barrier that prevents a cell from bursting is known as the cell ___.
cell wall.
What is the missing word in the sentence?
Mitochondria are responsible for providing ______ for the cell. Aerobic respiration happens in the mitochondria.
Providing energy for the cell.
Name 4 examples of plant organs.
Roots, Leaves, Stems, Reproductive Structures/Flowers Fruit and Seeds.
What are the main components of a plant leaf?
Palisade mesophyll, Spongy mesophyll, Epidermal tissues, Stomata.
What is gestation?
The period of time where the fertilised egg fully develops into a foetus.
Name 4 words involved in human reproduction.
Gametes, Fertilisation, Gestation, Birth.
What does reproduction mean?
it’s wear you make new organisms.
What does fertilisation mean?
It’s where the process of a sperm cell fuses into an egg cell in 28 days.
Order the steps of human reproduction from beginning [1] to end [4].
1.Gametes are produced by men and woman.
2.Fertilisation happens, fusing the 2 gametes into 1 cell.
3.The woman carries the new life through gestation.
4.The woman gives birth to the baby.
What are the 5 main parts in the female reproductive system.
Cervix, Ovary, Vagina, Uterus, Fallopian Tube.
What does the ovary do?
It produces the egg cells.
Finish this sentence?
Smoking increases the chances of an unhealthy baby as well as increasing the risk of ______.
Smoking increases the chances of an unhealthy baby as well as increasing the risk of stillbirth.
How many weeks after fertilisation can an embryo be called a foetus.
6
Name 3 regions of the male body that experience after puberty.
Pubis
Facial
Underarm
Which of these is not part of the Stamen?
Filament
Anther
Style
Style
Order these steps of human fertilisation from the beginning [1] to the end [3].
- Pollen from the Anther on 1 plant land on the stigma of another.
- Here, it moves down the style towards the ovary and the ovule.
- It will fuse with the egg.
On what day of the menstrual cycle does ovulation occurs?
14 days.
Complete the sentences:
In Stage 4 of the menstrual cycle, the ______ lining is maintained and now is ready for the arrival of a ______________.
If no egg is attached to the uterus lining, the lining breaks down and _____ begins again
Uterus, Fertilised an cycle
Complete the sentence:
In males, puberty increases the amount of hormones ___________, stimulating the production of sperm. In females, the amount of the hormone oestrogen increases , triggering the menstrual cycle.
Testosterone.
