Questions and Answers
What do living things need to stay alive?
What is the process of obtaining food necessary for survival and growth?
How do plants move?
What is the process of removing waste materials from the body?
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Why do animals move?
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What is the process by which a parent produces young?
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How do flowering plants reproduce?
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What are the remains of dead living things called?
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What happens when living things die?
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What is true about materials like plastic, stones, and glass?
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Study Notes
Life Processes
- Living things carry out activities daily to stay alive, known as life processes
- Energy is necessary for survival and growth, obtained from food or made by living things
- Nutrition is the process of obtaining food necessary for survival and growth
Growth and Development
- Living things grow and become taller, bigger, and heavier
- The mass of living things increases as they grow
Movement
- Movement is essential for living things
- All living things can move by themselves
- Animals move to find food, shelter, and escape danger
- Plants move by growing towards the sun and respond to environmental changes
Excretion
- Living things produce waste materials, which must be removed through excretion
- Waste materials include carbon dioxide, water, and other substances removed through breathing, urination, and sweating
Reproduction
- Reproduction is the process by which a parent produces young
- If a living thing does not reproduce, its kind will eventually become extinct
- Flowering plants reproduce through seeds, while ferns reproduce by spores
- A potato plant can reproduce using its stem
Non-Living Things
- Things that do not display life processes are not alive
- Materials like plastic, stones, and glass have never lived
Fossils
- When living things die, they leave behind remains that can be broken down or preserved in rocks
- Preserved remains are called body fossils, which can be bones, teeth, or other body parts
- Plant parts like leaves and stems can also become body fossils
- Trace fossils are preserved traces left behind by living things, such as footprints, eggs, and feces
- Paleontologists study fossils to learn about the history of life on Earth
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Description
This quiz covers the basic life processes of living things, including nutrition, growth, and movement. It also explores the characteristics of living organisms and their needs for energy and food.
