Characteristics of Life
Necessities of Life
Characteristics of Life 2
Miscellaneous 1
Miscellaneous 2
100
What is the smallest unit of life?
The cell
100
Name the four necessities of life.
Food, water, air, space
100
Which characteristic means all organisms must be able to create more offspring to survive?
All living things reproduce.
100
Asexual reproduction involves _____ parent.
One parent
100
Organisms that eat other organisms are called _____________.
consumers
200
What characteristic of life means an organism gets larger and changes?
Grows and develops
200
Organisms that make their own food are called _________.
Producers
200
Maintaining a stable amount of sugar in your blood is an example of...
homeostasis
200
Anything that makes you react or respond is called a ___________.
Stimulus
200
Name a unicellular organism.
bacteria
300
When an organism keeps a stable internal balance, they are maintaining ___________.
Homeostasis
300
There is competition for space because....
Space is limited
300
We get our energy from __________ and plants get their energy from _____________.
food/sun
300
Give me an example of a stimulus and a response.
Stimulus - bright light Response - close your eyes or squint
300
What are two ways your body can get rid of water in order to maintain homeostasis?
sweating and going to the bathroom
400
All the chemical reactions in your body from breaking down food and using energy is called ______________.
Metabolism
400
Why do we need air?
Oxygen in the air is used in chemical reactions and making energy.
400
Shining a bright light into your eyes is an example of a _____________.
Stimulus
400
Reproduction involving two parents is called _____________.
Sexual reproduction
400
Organisms that break down dead organisms and waste to get energy are called ___________
decomposers
500
Name all 6 characteristics of life.
Has cells, maintains homeostasis, responds to a stimulus, uses energy, grows and develops, reproduces
500
Why do living things need water?
Water is the place where chemical reactions take place in any living organism.
500
In order for a multicellular to grow, what happens to their cells?
The number of cells they have increases.
500
Do multicellular organisms have larger cells that unicellular organisms?
No, they just have more cells.
500
What does DNA stand for?
Deoxyribonucleic acid
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