Unit 1 lesson 9 Blitz

IT’S ALIVE! CHARACTERISTICS OF ­LIVING THINGS

Unit 1 Lesson 9

Multiple Select

Identify the characteristics that all living things share.

• maintain homeostasis

• 
  

  heterotrophs

• Photosynthesis

• autotrophs

• 
  

  respond to environment

Multiple Select

Identify the characteristics that all living things share.

• composed of cells

• reproduce

• grow and develop

• photosynthesis

Multiple Select

Identify which of the following are considered living things. Select all that apply.

• cow

• fish

• tree

• hotdog

Multiple Select

Identify which of the following are considered non-living things. Select all that apply.

• paper

• honeybee

• car

• air

Fill in the Blanks

The smallest unit of life is called a(n)

.

Multiple Choice

Finish the sentence: Each cell is organized and _______.

• 
  

  carries out a specific function

• responds to environment

• 
  

  increases in number

• undergoes growth and development

Multiple Choice

A condition or event in the environment is called a _____.

• response
• reaction
• trigger
• stimulus

Multiple Choice

What is the term that refers to the change that happens in a living organism because of a stimulus?

• response

• homepstasis

• stimulus

• division

Multiple Choice

Choose the best example of an organism's response to a stimulus.

• a man eating ice cream

• taking a bath

• a boy shouting at his playmate

• 
  

  dog barks when there are fireworks

Multiple Choice

Identify the process by which living organisms stay the same.

• experimentation

• homeostasis

• 
  

  heterotrophs

• response

Multiple Choice

The cell's ability to maintain the correct amount of water and minerals in it is an example of ____.

• homeostasis

• respiration
• mitosis
• photosynthesis

Multiple Choice

A species will become extinct if all its individuals stop reproducing.

• False

• True

Multiple Choice

A dog and cat can reproduce together.

• True

• False

Multiple Choice

How does a one-celled organism grow?

• it gets bigger

• it gets smaller

• the size stays the same

• it divides

Multiple Choice

How does a multicellular organism grow?

• it gets bigger

• the size stays the same

• it gets smaller

• The cells divide, increasing the number of cells.

The Needs of Living Things

Unit 1 Lesson 10

Multiple Choice

Which of these is not needed by living organisms?

• air

• water

• energy

• gravity

Multiple Choice

Which item listed is not needed by living organisms?

• water

• space

• sand

• air

Word Cloud

Your Turn: List an item that is NOT needed by a living organism.

Fill in the Blanks

Plants obtain their energy through

.

Multiple Choice

The plants take carbon dioxide and water in the presence of sunlight to make oxygen and carbohydrate. This process is called ______.

• homeostasis

• cell division

• pollenation

• Photosynthesis

Fill in the Blanks

Human bodies consist of % of water.

Fill in the Blanks

How many days can humans live without water?

Multiple Choice

An organism that has the ability to maintain an internal temperature suitable for life is a(n)

• endotherm

• ectotherm

Multiple Choice

Humans are

• endotherm(s)

• ectotherm(s)

Multiple Choice

An organism that relies on external factors to maintain an internal temperature suitable for life.

• species

• endotherm

• ectotherm

• heterotrophs

Multiple Choice

What percentage of air is oxygen?

• 10%

• 15%

• 21%

• 30%

Multiple Choice

What percentage of air is nitrogen?

• 15%

• 21%

• 75%

• 78%

Multiple Choice

Oxygen is important to help cells in the process of breaking down food to provide the energy they need to live.

• True

• False

Multiple Choice

Why do plants need carbon dioxide?

• 
  

  to perform photosynthesis

• to provide the energy they need to live

• 
  

  carbon dioxide acts as a catalyst in living organisms

• to help cells in the process of breaking down food

Multiple Choice

A place must provide food sources suitable for organisms, water, the right temperature range, and air.

• False

• True