basic characteristics of living things pd2

10-27-09

• Define:

• Growth

• Development

• Molecule

Basic Characteristics of Living Things

1. All living things are made of ________

The basic unit of structure and function of all living things is a __________.

Unicellular means:

Multicellular means:

2. Contains _______________ of life• Water H2O Most abundant compound in

cells• Organic Compounds contain __________- Carbohydrates energy source Example:- Protein Example:- LipidsExample:- Nucleic AcidsExample:

3. Basic life functions(5):

-cellular respiration

-waste removal

-growth and development

-reproduction

-irritablility

See the next page with details

4. Basic life needs (5)

-food or energy

-gases

-water

-homeostasis

-shelter

See the next page for details.

5 Basic Life Needs

1. Source of energy or food

Sun plant everything else

Photosynthesis equation

2. Gases are taken in

Autotroph Carbon dioxide

Oxygen Heterotroph

photosynthesis Cellular respiration

3. Water – help obtain chemicals from environment and move substances inside the body

stomach

Small intestine

Blood vessel________ helps by diffusion

nutrients

4.Homeostasis- (p476)

Defined as:

5. Form of shelter (Living Space)

Define Habitat

Basic Life Functions

1. Cellular Respiration

Raw materials Products

C6H12O6 + 6 O2 ________________

Glucose + Oxygen________________

2. Waste Removal

Getting rid undigested food and/or cell waste products.

3. Growth and DevelopmentGetting bigger Changing

4. Reproduction - making a new organism like the original

Asexual ( one parent)

Sexual (2 parents)

5. Irritablility The ability to sense and respond to the environment

Stimulus Response

(change in (reaction of environment) organism)

Animal reflexes

Plant -phototropism