for educational prposes only

2. CHARACTERISTICS OF LIFE
5 CHARACH-
TERISTICS
OF LIVING
THINGS
MADE
UP
OF
CELLS
RESPOND
TO
CHANGES`
USE
ENERGY
GROW
AND
DEVELOP
REPRO-
DUCE

4. ATOM
It is the basic units of matter and
the defining structure of elements.

5. MOLECULES
Are made up of atoms that are held
together by chemical bonds.

6. CELL
The basic unit of structure and
function in living things.

7. TISSUES
Made up of cells that are similar in
structure and function and which
work together to perform a specific
activity.

8. ORGANS
Made up of tissues that work
together to perform a specific
activity.

9. ORGAN SYSTEM
Groups of two or more organs that
work together to perform a specific
function for the organism.

10. ORGANISM
Entire living things that can carry out all basic life
processes. Meaning they can take in materials,
release energy from food, release wastes, grow,
respond to the environment, and reproduce.

11. POPULATION
Groups of organisms of the same
species living at the same place and
at the same time.

12. COMMUNITY
Interspecific groups of interacting
populations.

13. ECOSYSTEM
Is a community of living organisms in
conjunction with the non-living
components of their environment (things
like air, water and mineral soil),
interacting as a system.

14. BIOSPHERE
Made up of the parts of Earth
where life exists.