Questions and Answers
What do all living things have in common?
What happens to cells in most living things over time?
Why do living things need food?
What happens to waste in the body?
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Why do living things reproduce?
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What is respiration?
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What are the building blocks of life?
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What is a characteristic of all living things?
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What is the purpose of getting rid of waste in the body?
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Why is respiration important for living things?
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Study Notes
Characteristics of Living Things
- All living things, including cacti and elephants, have certain characteristics in common.
Cells and Growth
- Living things are made up of small cells, known as the building blocks of life.
- Cells multiply over time, causing living things to grow.
- Cells can also repair damaged parts of living things.
Food and Waste
- Living things, including animals, plants, and mushrooms, need food for energy.
- Without food, living things can feel tired and lethargic.
- Living things produce waste, such as food waste, excess water, gases, and heat, which needs to be eliminated.
Reproduction
- All living things reproduce, making new, smaller versions of themselves.
- Reproduction ensures that a species does not become extinct.
- Reproduction can occur through eggs or seeds.
Exchanging Gases
- Living things need to respire, or breathe, to get gases like oxygen into the body.
- Respiration includes releasing unneeded gases, like carbon dioxide.
- The more active a living thing is, the more gases it needs, and the more it needs to respire.
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Description
Explore the common characteristics of living things, from cacti to elephants, and learn about cells and growth.
