Book B Lesson 1 Intro to Living Things

Babies laughing at four months is an example of _____.

• adaptation
• development
• growth
• respiration

An organism's ability to maintain stable internal conditions despite changes in its surroundings is called _______________.

• Linnaeus
• Evolution
• Homeostasis
• Taxonomy

Organisms, such as bacteria, are ______________ which means they consist of only one cell.

• unicellular

• multicellular

• autotrophic

• heterotrophic

Multicellular means

• made of many cells
• made of one kind of cell
• made of only one cell

When a baby kitten becomes an adult cat, this is an example of...

• energy metabolism
• growth and development
• response to stimuli
• having cells

All organisms need ________ to survive

• food, place to live, sunlight

• food, place to live, water

• food, water, sunlight

• place to live, sunlight, water

the smallest unit of life is the

• cell

• homeostasis

• organism

• protein

A plant moves its leaves towards sunlight. This is an example of -

• Taking in Energy

• Cellular Organization

• Response to a Stimulus

• Growth and Development

• Maintaining a Stable Internal Environment

Responding to change helps an organism to survive. Which are a response to change in an environment? There are two correct choices.

• A cell reproduces asexually.

• You get hot and sweat.

• A cell only grows in a certain environment.

• You get hungry so you eat

A tornado uses energy to form, but it does not have cells. Is it considered a living thing?

• Yes, because living things do not need to have cells

• No, because living things have to have cells

• Yes, because living things do not need energy

• No, because a tornado does not use energy