What is Life?
Life is the characteristic that distinguishes living things from non-living things. It includes the ability to grow, reproduce, respond to stimuli, and adapt to the environment. Living organisms are made up of cells, the basic unit of life.
Characteristics of Life
- Cellular Organization: All living things are composed of cells, which are the basic structural and functional units of life.
- Reproduction: Living organisms can produce offspring either sexually or asexually.
- Growth and Development: Living things grow and undergo changes in form and function over the course of their lives.
- Response to Stimuli: Living organisms can respond to internal and external stimuli in their environment.
- Homeostasis: Living organisms maintain a stable internal environment despite external changes.
- Adaptation: Living things can adapt to their environment through evolutionary changes over time.
- Metabolism: Living organisms utilize energy and chemical processes to sustain life.
Study Guide
- What are the basic units of life?
- How do living organisms reproduce?
- Explain the concept of homeostasis in living organisms.
- What are some examples of stimuli to which living organisms can respond?
- Describe the process of growth and development in living things.
- How do living organisms adapt to their environment?
- What is metabolism and why is it important for life?
[Life] Related Worksheets and Study Guides:
.◂Science Worksheets and Study Guides Third Grade. Grouping of Animals
Study Guide
Grouping of Animals 
Activity Lesson
Grouping of Animals Worksheet/Answer key
Grouping of Animals Worksheet/Answer key
Grouping of Animals Worksheet/Answer key
Grouping of Animals Worksheet/Answer key
Grouping of Animals Vocabulary/Answer key
Grouping of Animals
Activity LessonWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyVocabulary/Answer keyThe resources above cover the following skills:
LIFE SCIENCE
From Molecules to Organisms: Structures and Processes
Create representations to explain the unique and diverse life cycles of organisms other than humans (e.g., flowering plants, frogs, butterflies), including commonalities such as birth, growth, reproduction, and death.