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Why do living things need to respire?
To get oxygen that will break down the glucose into energy.
Which life process is linked to getting rid of excess waste?
Excretion
Any living thing is also called...
...an organism!
Sea creatures breathe oxygen dissolved in the water through their...
GILLS!
What does a plant release in the air in photosynthesis?
Oxygen
What does a plant release in the air in respiration?
Carbon dioxide
The ability of the body to maintain a stable internal environment despite changes in external conditions
Homeostatis
How is the length of time an organism is expected to live called?
Life span
What is the smallest unit of an organism?
a cell
How are the organisms with multiple cells called?
multicellular
All these organisms are...
unicellular
Why do unicellular organisms die faster than multicellular?
because they need to everything by themselves!
