Unit 1 part 2 Needs of living things Flashcards
(10 cards)
1
Q
What are the 4 needs of living things?
A
- food
- water
- living space
- stable internal conditions
2
Q
What is homeostasis?
A
The maintenance of stable, internal conditions. Homeostasis keeps internal conditions just right for cells to function.
3
Q
Food is a source of _____________
A
energy
4
Q
Autotrophs are______________________
A
organisms that can make their own food
5
Q
Heterotrophs are__________________
A
organisms that cannot make their own food
6
Q
What percent of blood is water?
A
90%
7
Q
Life is made up of _____________
A
cells
8
Q
The set of directions that tells us what to do is called ______________
A
DNA
9
Q
Energy is NOT _______ or _____________
A
made or destroyed
10
Q
Maintaining body temperature and maintaining blood sugar levels are examples of ______________________
A
homeostasis
