1.4 Flashcards
(5 cards)
1
Q
what are the characteristics of living organisms?
A
- responds to their environment
- to grow and develop
- produce offspring
-consist of homeostasis
-complex chemistry
-energy-processing
-consist of cells
They respond, grow, produce, homeostasis, complex chemistry, energy-processing, and have cells.
2
Q
what is homeostasis
A
maintaining a stable internal environment
keeping things constant
remember the frog example
3
Q
living things need a continuous input source of energy. the molecules in a living organism undergo several chemical changes, which have chemical reactions. this is required for organisms to function.
A
this is complex chemistry/energy processing
4
Q
what is this?
the accumulated amount of biochemical reactions
A
Metabolism
5
Q
what is the basic unit of structure and function of living things?
a) chromosomes
b) DNA
c) cells
d) complex chemistry
A
cells.