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Life Procesesses and Cell activity
based on questions from cgp books
26
Science
9th Grade
04/11/2010

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Cards

Term
What are the seven life processes which all living things must do?
Definition
Movement, Respiration, Sensitivity, Nutrition, Excretion, Reproduction, Growth.
Term
define: movement in a living organism
Definition
all living organisms must move parts of themselves
Term
define: Respiration in a living orgainsm.
Definition
all living things must turn "food" into energy
Term
define: Sensitivity in a living organism
Definition
all living organisms must respond and react.
Term
define: Nutrition in a living orgainsm
Definition
all living organisms must get "food" to eat
Term
define: Excretion in a living organism
Definition
all living orgainsms must get rid of waste
Term
define: Reproduction in a living orgainsm
Definition
all living organisms must produce offspring
Term
define: Growth in a living organism
Definition
all living organisms must reach their "adult" size
Term
what is an organism?
Definition
a living thing made up of cells
Term
What instrument would you use to look at a cell? What can you do to help see cells?
Definition
a Microscope, Stain them.
Term
Name 3 parts of a cell that both plant cells and animal cells have.
Definition
Nucleus, Cell Membrane, Cytoplasm
Term
Define: Nucleus
Definition
The part of a plant/animal cell that controlls what it does; the "brain" of the cell
Term
Define: Cell Membrane
Definition
A thin skin on the outside of a plant/animal cell, controlls what goes in and out, holds the cell together
Term
Define: Cytoplasm
Definition
A jelly like substance in a plant/animal cell where all the chemical reactions happen.
Term
Name three parts of a cell that only plant cells have
Definition
chloroplasts, vacuole, cell wall
Term
Give 5 examples of Specialised cells
Definition
The Sperm Cell, the Ovum (egg) cell, the Pallisade cell, the Cilia cell, the Root hair cell
Term
What is a Sperm Cell designed for?
Definition
To fertilise Eggs
Term
What is an Ovum (egg)cell designed for?
Definition
to be fertilised
Term
what is a Palisade cell designed for?
Definition
Photosynthesis
Term
What is a Cilia Cell designed for?
Definition
To stop lung damadge
Term
What is a root hair cell designed for?
Definition
To Absorb
Term
Why do sperm cells need a tail?
Definition
To swim with
Term
Why does an ovum have a food store?
Definition
it is needed for the development of a young organism once its fertilised.
Term
Explain the meaning of Tissue, give an example of it
Definition
a collection of similar cells, Root hair tissue
Term
Explain the meaning of an organ, give an example
Definition
a group of different tissues working together, the root "organ"
Term
expain the meaning of an organ system, give an example
Definition
a group of organs work together to make an organ system, or a whole orgainsm, a plant
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