Characteristics of Living Things

~Mrs. Connor

Six Characteristics of Living Things

1. Have one or more cells2. Have DNA3. It grows and develops4. Has energy5. It reproduces6. It responds to stimulus

HINT: One C Two D’s One E Two R’s

Four Basic Necessities of Life

food air water

shelter

Organisms need ????? To help with chemical reactions

WATER

stimulus

When a duck dives under water, its inner eyelids automatically raise to cover the duck’s eyes.

What is this called?

Organisms need food because…

• It’s a source of energy• It supplies cells with oxygen• Organisms never make their own

food

• ALL OF THE ABOVE

homeostasis

Maintaining a body temperature of 37 degrees C and a stable amount

of sugar in your blood are both example of ….?

cheetah paramecium

1. Which reproduces sexually?2. Which reproduces asexually?3. Which one has DNA in it cells?

asexual reproduction

Sexual reproduction

DNA

Organism’s Living Spaces• Some organisms need small living spaces.

• Some organisms need LARGE living spaces.

Some organisms compete with each over for living space.

all of the below• Whose cells are made up of about 70% water?

a. a camelb. a dragonflyc. a cactus

Cells are…

1.The structures that contain all of the materials necessary for life.

2.Found in all organisms

3.Generally too small to be seen with the naked eye.

ALL OF THE ABOVE

Green plants, algae, and some bacteria need ___________ to

produce food by photosynthesis.• A. Oxygen

• B. Carbon Dioxide

• C. Nitrogen

CARBON DIOXIDE

Air is composed of …

1. Only oxygen

2. Only of carbon dioxide

3. A mixture of gases

4. Only nitrogen

DIFFERENT GASES

DEVELOPING

A tadpole changing into a frog is an example of

______.

How do you know that a tree is a living thing?

1. It has cells2. It has DNA3. It grows and develops4. It has energy5. It makes leaves and reproduces6. It responds to stimuli (cold)

a consumer…

cannot make its own food; eats other things

a producer

makes their own food

a decomposerbreaks down the nutrients in dead organisms

Some activities that require energy…

How do you respond to a stimulus?