Grade 1 · Science · On Level
Free Life Science & Ecosystems worksheet - version 20
Grade 1 life science & ecosystems practice with original, difficulty-matched questions. This printable version includes 8 grade-appropriate questions and a separate answer sheet.
Life Science & Ecosystems
Grade 1 · On-level practice · 8 questions · Version PG-NGQI9N-1QQL
1.Explain “producer” in your own words.
2.Explain “consumer” in your own words.
3.Explain “inherited trait” in your own words.
4.Explain “decomposer” in your own words.
5.Explain “adaptation” in your own words.
6.Explain “pollination” in your own words.
7.Explain “ecosystem” in your own words.
8.Explain “life cycle” in your own words.
Answers and teaching notes
Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.
Show answers for version 20
- Explain “producer” in your own words.an organism that makes its own food
- Explain “consumer” in your own words.an organism that gets energy by eating others
- Explain “inherited trait” in your own words.a characteristic passed from parents to offspring
- Explain “decomposer” in your own words.an organism that breaks down dead material
- Explain “adaptation” in your own words.a trait or behavior that helps survival
- Explain “pollination” in your own words.the transfer of pollen that helps plants reproduce
- Explain “ecosystem” in your own words.living and nonliving things interacting in an area
- Explain “life cycle” in your own words.the stages a living thing passes through
Worked example
Connect structures and behaviors to survival, growth, reproduction, and energy flow.
Common mistake
Describing a trait without explaining its function.
Helpful hint
Ask how the feature affects survival or reproduction.