Characteristics of Living Things Flashcards
What are the 6 characteristics of living things?
- Made of cells
- Take in and use energy
- Sense and responds to environment
- Grow and development
- Reproduce
- Composed of chemicals
Define “cell”
A basic unit of structure and it functions in all living things
Define “uni-cellular”
A single cell organism
Define “multi-cellular”
A multi cell organism
Define “stimulus”
A cause for response
Define “response”
A reaction to stimulus
Define “homeostasis”
The maintenance for a stable inner condition
Define “asexual reproduction”
1 parent: offspring is identical to parent
Define “sexual reproduction”
2 parents: offspring shares both parents genetics
Define “metabolism”
The chemicals that keep you alive
Most of the chemical reaction involved in metabolism require _________.
Water
What is growth?
When you develop in size
What is development?
When your mind grows
What are the 4 basic needs of living things?
- Food
- Water
- Air
- Space to live
What are autotrophs?
Organisms that make their own food
What are heterotrophs?
Organisms that eat other organisms.
What are decomposers?
Organisms that break down and absorb nutrients
What is the purpose of this type of organic compound: proteins?
Builds and helps body function
What is the purpose of this type of organic compound: carbohydrate?
Give energy
What is the purpose of this type of organic compound: lipid?
Make cell membranes and store energy
What is the purpose of this type of organic compound: nucleic acid?
Makes up genetic code
What is DNA? Where is it found?
It contains genetic code. It is found in cell nucleus.
