16 Questions
What is the main difference between living and nonliving things?
Living things use energy to carry out their activities
What is a characteristic of living things?
They consume food and water
What is the definition of an organism?
A living thing that uses energy to carry out its activities
What is the purpose of the EXPLORE activity with the candle?
To observe the characteristics of a living thing
What do living things have in common?
They all have common characteristics
What is one way to determine if something is living?
By its ability to use energy
What is a characteristic of nonliving things?
They do not move or change
What is the purpose of the cell theory?
To explain what is observed in nature
What is one of the necessities that organisms cannot carry out life without?
Space to live and grow
What is the primary source of energy for almost all forms of life on Earth?
The Sun
What is one of the characteristics of organisms?
Ability to change size and appearance throughout their lifetime
What is a common characteristic shared by all living organisms?
Ability to grow and develop
What is the role of food in organisms?
Provides energy and materials
What is necessary for an organism to survive?
Energy, materials, and living space
What is a result of an organism's ability to respond to the environment?
Pupil adjustment in response to light
What is a characteristic of organisms that allows them to produce offspring?
Ability to reproduce
Study Notes
Characteristics of Living Things
- Living things are different from nonliving things, and they have common characteristics that define them.
- Living things use energy to carry out their activities.
- Most organisms move, and they get water and other materials from the environment.
Characteristics of Life
- Living things have the ability to reproduce.
- They have the ability to develop and grow.
- They have the ability to respond to their environment.
- They need energy, materials, and living space to survive.
Needs of Life
- Organisms need energy to carry out their activities, including reproduction, growth, and development.
- Energy is obtained from food, which is a source of energy and materials.
- Water provides materials and living space for organisms.
- The energy used by almost all forms of life on Earth comes from the Sun.
Organisms
- An organism is an individual form of life that uses energy to carry out its activities.
- Most organisms move and get water and other materials from the environment.
- Organisms are organized into systems, such as the circulatory system, which includes the heart for pumping blood and eyes for seeing.
- Organisms respond to their environment, such as when the pupils of the eyes get smaller in bright light.
cell Theory
- The cell theory explains that all living things are made up of cells.
- The discovery of cells led to the development of the cell theory.
Explore Activity
- A candle does not show signs of life, despite appearing to move and change.
- The flame of a candle does not have the ability to reproduce, grow, or respond to its environment.
This quiz will cover the basics of living things, how they differ from nonliving things, and their characteristics.
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