Characteristics of life

A plant growing towards the light is an example of 

• reproduction.
• responding to a stimuli.
• metabolism.
• homeostasis.

A maggot changing into a fly is an example of 

• reproduction.
• growth and development.
• homeostasis.
• evolution.

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The maintenance of an organism’s internal environment is called:

• compensating

• homeostasis

• balancing

• routine

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The "cause" for something to happen is the

• response

• effect

• stimulus

• homeostasis

What is an adaptation?

• A feature or behavior that helps an animal survive.

• The food that an animal eats.

• How energy moves in a food web.

• How animals evolve throughout time.

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Green plants produce their own food through the process of photosynthesis.

• All living things use energy

• All living things contain cells

• All living things maintain homeostasis

• All living things grow

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An amoeba is a unicellular organism. Which characteristic of life is this?

• All living things use energy

• All living things contain cells

• All living things respond to their environment

• All living things grow

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Rocks are not living because

• they never move

• they aren't needed for humans

• they are not made of cells

• they don't break down

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What is the main source of energy on Earth?

• stars

• moon

• water

• sun

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The dismissal bell rings and you pack up your belongings. In this scenario, what is the stimulus?

• The bell ringing

• You packing up your belongings

• More information is needed

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