The Characteristics of Life An organism must have a certain set of characteristics to be called...

The Characteristics of Life

An organism must have a certain set of characteristics to

be called life.

1. made of Cells

Cells are the basic building block.

2. Respond to stimuli

examples:1. A frog's tongue rapidly flicks out to

catch a passing insect.(the stimuli is movement)2. A plant leans toward the window.(the stimuli is sunlight)

3. Use Energy

All living things use energy. This is called metabolism.

4. Reproduction

All organisms reproduce and pass genetic information to their offspring.

The genetic material is DNA.

5. Growth and DevelopmentAll organisms grow and change

6. Organization

Living things are made of many complex parts which are highly organized.

7. Homeostasis

- keep their internal environment the same.

For example1) Human body temperature is

maintained at 98.6 o F

8. Adaptation

Organisms change over time. Inherited characteristics that allow them to survive and reproduce in their environment are passed to their offspring.

CHARACTERISTICS OF LIFE

Reproduction and Inheritance Growth and Development Adaptation Organization Use of Energy (metabolism) Response to stimuli Made of cells Homeostasis

PRACTICE ACTIVITY

Each list of the following lists of words is like one of the characteristics.

Match them.

What do these words have in common?

List 1 cheater at school Silly Putty on comics clone photocopier counterfeit money

Like which characteristic?


List 2 crystals seed balloons of various sizes weight lifter's biceps increased vocabulary from working

crosswordsLike which characteristic?


List 3 dolphins at Sea World Superman sensitive plant ambulance Sneeze



List 4 newspaper comics The movies Shawshank Redemption,

The Green Mile, and Chicago study cubicle micrograph house plan



List 5 yeast in bread dough calculator car food campfire



List 6 baseball glove/catcher's mitt different size brushes whale blubber boots/sneakers/high

heels/wingtips skin color



List 7 dictionary worker's union skeleton sedimentary rocks cleaning your room

Which characteristic is this like?


List 8 thermostat water filter insulin body temperature Gatorade for keeping blood ions

balanced

Which characteristic is this like?

PRACTICE: which characteristic?

1. Caribou migrate across Canada as the seasons change.

2. My cousin Vinny looks just like his dad.

3. When birds hear other birds sing, they often sing back.

4. Even simple organisms have many complicated parts working together.

5. Bacteria that live in your intestine and help you digest some of your food.

6. An adult fly does not look like its immature maggot form.

7. When it gets cold you get goose bumps and shiver to generate warmth.

9. Plants make food from sunlight in a process called photosynthesis.

10. At the end of freshman year Demetrius was only five foot three inches tall, but by the next year he was five eleven.

ASSIGNMENT poster web

Title (center) CHARACTERISTICS OF LIFE Each branch of the web will have: 1) The name of the characteristic 2) Using the text provide three examples of that

characteristic in an organism. (HINT: Use the INDEX at the back.)

3) Include illustrations or diagrams.Your grade is based on accuracy, neatness,

completion, following directions, creativity.

Get out a blank sheet of paper.Put a heading (name, date, hour) on it.The assignment name is Textbook.

1. How many units are in this book?2. Which unit looks most interesting to you?3. Which unit has information about genes?4. Use the index and find the page numbers

with the name Mendel. Write the page numbers.

5. What was Mendel’s contribution to biology?6. Where might we find the definition of

metabolism?7. Write the definition of metabolism.

Wrap Up

What’s the point of school?

The Characteristics of Life An organism must have a certain set of characteristics to be called...

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