Cells,Tissues and Organs Flashcards
(20 cards)
What are you looking at when you look into a microscope?
Specimen
What is the specimen placed on?
Slide
What is put over a specimen?
Coverslip
Why is a coverslip used?
To stop the specimen from drying out, holds it flat and stops it from moving.
What might be used to see parts of the cell clearer underneath the microscope?
Stain
What are cells with special shapes called?
Adapted cells
A group of cells=
A tissue
A group of different tissues working together=
Organ
Name the organs in a plant
Stem, Leaf, Root
Name the organs in a human
Brain, Skin, Heart, Lungs, Stomach ,Lungs, Liver, Kidneys, Large Intestine, Small Intestine
What are sex cells produced by?
The reproductive organs.
Where are the reproductive organs in plant?
Anther
What are sex cells used for? How many parents does it need?
Sexual reproduction. 2 parents
What are the offspring of the parents called?
New varieties
How are the pollen grains carried from the anther to the stigma of another plant?
Insects or the wind
What is the carrying of the pollen to another stigma called?
Pollination
Once on the stigma, what does the pollen grow?
Pollen tube
Where does the pollen tube enter?
The Ovule
What does the ovule contain?
Egg cell
What happens for the pollen to get fertilised?
The nucleus from the pollen grain joins with the nucleus inside the egg cell.
