NEEDS OF LIVING THINGS
* 6o to http://www.kio'sbioloay.com/
* Click on "Biology" Link (left hand sick). *
Click on 'Needs of Living Things" icon.
(1) List three basic needs of all living things.
(2) What do the following living things also need (besides what you listed in question #1) in order to survive?
 humans  pet dog  birds * fish  plants  bacteria (3) Where do living things get the resources they need to survive?
(4) Give an example of how both living and nonliving things can be used as resources for survival.
 living  nonliving -
(Scroll down and click "Next" on the "Biology Basics" slide show link)
(5) All life forms need ______________________ to survive.
(6) Why do living things need energy? (List 3 reasons)
(7) Where does the energy come from needed by organisms to live?
(8) We use the energy from the sun indirectly. What does this mean?
(Scroll down and click "Next" on the "Biology Basics" slide show link)
(9) All living things need a source of ______________________
(10)
Why do living things need food? (List 3 reasons)
(11) ______________________ use sunlight to create their own food.
(Scroll down and click "Next" on the "Biology Basic's" slide show link)
(12) Living things need __________ to survive.
(13) Why is water so important? (List 4 reasons)
(14) Why is water important to plants? (List 2 reasons)
(Scroll down and click "Next" on the "Biology Basics" slide show link)
(15) Most life forms use _______________________ as the main ingredient in many of the chemical reactions
needed for life.
(16) How would life be different today without oxygen?
(17) How is dissolved oxygen different from oxygen?
(Scroll down and click "Next" on the "Biology Basics" slide show link)
(18) Explain why living things need space?
(19) How do organisms protect their space? (List 2 examples)
(Scroll down and click "Next" on the "Biology Basics" slide show link)
(20) _____________________ is a big word that biologists use to indicate that an organism needs to keep
conditions inside of itself the same, even though conditions outside are always changing.
(21) What is the relationship between body temperature and homeostasis?
(22) Sweating is our bodies way of cooling down, thus maintaining homeostasis. Do you know what dogs do to
cool down?
BONUS QUESTION: THE CHEMISTRY OF LIFE
Carbon, oxygen, hydrogen, phosphorus, nitrogen and sulfur are the six elements that combine to form the
building blocks of life. Do you know what the chemical building blocks of life are used for (function)?

PROTEINS -

CARBOHYDRATES -

LIPIDS (FATS) -

NUCLEIC ACIDS (DNA & RNA) -

ATP (ADENOSINE TRIPHOSPHATE) -