Characteristics of Living Things - chino.k12.ca.us

[Pages:13]Characteristics of Living Things

Biology

so... what IS Biology????

BIO- = LIVING -OLOGY = STUDY OF

BUT WHAT IS THE DIFFERENCE BETWEEN LIVING & NONLIVING?

SCIENTISTS HAVE NOT BEEN ABLE TO AGREE ON A SINGLE DEFINITION THAT CHARACTERIZES LIFE!!!

LIVING VS. NON-LIVING:

(ORGANIC VS. INORGANIC)

Living things: carry out almost all of the LIFE FUNCTIONS

Nutrition, transport, respiration, excretion, regulation, synthesis, growth, reproduction, metabolism, immunity, locomotion,

Non-living things: cannot carry out at least one or more of these functions

Characteristics of Living Things:

1. Cells

Cells are the small pieces that make up all living things.

Characteristics of Living Things:

1. Cells

2. Based on genetic code (DNA)

DNARNAPROTEINCELL PARTS Every living thing has different DNA sequences!!

Characteristics of Living Things:

1. Cells 2. Based on genetic code (DNA)

3. Living things use energy

Animals and humans eat food to obtain their energy.

Plants use the sunlight to obtain their energy.

Characteristics of Living Things:

1. Cells

2. Based on genetic code (DNA)

3. Use energy

4. Homeostasis

This is maintaining internal conditions.

Ex: sweating and shivering to maintain body temperature

Characteristics of Living Things:

1. Cells 2. Based on genetic code (DNA) 3. Use energy 4. Homeostasis

5. Grow and develop

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