Physical and Life Science

What are the characteristics of all living things?

• All living things get and use food, move, grow, reproduce, and respond to their environment.

• All living things have brain

• All living thing move to one place to another

• All living things can talk

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Why does every animal in an ecosystem rely on producers?

• producers start all food chains

• producers break down dead waste

• producers eat consumers

• producers recycle

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What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.

• The specific ways that mutualism is carried out.

• A single pathway or energy flow between organisms. 

• How carnivores get their food. 

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What name is used to describe all living things?

• organism

• ogrenism

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What is the term for a change that alters the form of a substance but not its chemical composition?

• Chemical change

• Physical change

• Biological change

• Nuclear change

Which type of scientist studies the human body, organs, and cells?

• geologist

• biologist

• meteorologist

• astronomer

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What is the term for the smallest particle of a compound that has all the properties of that compound?

• Atom

• Molecule

• Element

• Ion

Which of the following statements is true for all living things (organisms)?

• All living things have organs

• All living things produce their own food through photosynthesis

• All living things are made of one or more cells

• All living things are made of more than one cell

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An organism that eats grass and insects is

• an herbivore

• a producer

• prey

• an omnivore

Which organism is a decomposer?

• frog

• worm

• oak tree

• grasshopper

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