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Characteristics of Life EQ: How can you tell if something is alive?

Characteristics of Life EQ: How can you tell if something is alive?

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Page 1: Characteristics of Life EQ: How can you tell if something is alive?

Characteristics of Life

EQ: How can you tell if something is alive?

Page 2: Characteristics of Life EQ: How can you tell if something is alive?

What is Biology?

The study of living things (organisms)

The study of interactions of living things

“bio”-life

“ology”-study of

Page 3: Characteristics of Life EQ: How can you tell if something is alive?

8 Characteristics

of LIFE1. Living Things are

made up of Cells. a.) CELL: Collection of

living material enclosed within a barrier

b.) cells are basic unit of life

c.) Unicellular: made up of one cell

d.) Multicellular: made up of many cells

Unicellular

Multicellular

Page 4: Characteristics of Life EQ: How can you tell if something is alive?

2. Living Things Reproduce: a.) produce offspring which resemble parents

b.) asexual reproduction: has only one parent

c.) sexual reproduction: requires two parents

Asexual

Sexual

Page 5: Characteristics of Life EQ: How can you tell if something is alive?

3. Living Things are based on a genetic code.

a.) inheritance of traits is carried on DNA

Page 6: Characteristics of Life EQ: How can you tell if something is alive?

4. Living things Grow and Develop

a.) GROWTH: increase in size & shape

b.) DEVELOPMENT: mature over time

c.) living things have a lifespanGrowth

Development

Page 7: Characteristics of Life EQ: How can you tell if something is alive?

5. Living Things Use & Need Energy a.) energy comes from food, used to maintain body b.) AUTOTROPH: produce own food c.) HETEROTROPH: must consume food d.) DECOMPOSER: breaks down dead material for food

Page 8: Characteristics of Life EQ: How can you tell if something is alive?

6. Living things respond to their surroundings a.) they react to a stimulus

b.) an action causes a reaction

c. ) reaction is called a response

d.) this involves one individual

Page 9: Characteristics of Life EQ: How can you tell if something is alive?

7. Living things maintain a stable internal environment

a.) HOMEOSTASIS: internal balance

b.) examples: sweating, panting, shivering, etc.

Page 10: Characteristics of Life EQ: How can you tell if something is alive?

8. Living things Evolve a.) adapt to long-range changes in environment

b.) change to better survive in environment

c.) these changes take place over a long period of time & involve the entire species