Grade 1 · Science · On Level
Free Life Science & Ecosystems worksheet - version 19
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-1KH3JPN-1QQL
1.Explain “pollination” in your own words.
2.Explain “ecosystem” in your own words.
3.Explain “food chain” in your own words.
4.Explain “life cycle” in your own words.
5.Explain “habitat” in your own words.
6.Explain “producer” in your own words.
7.Explain “consumer” in your own words.
8.Explain “decomposer” 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 19
- 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 “food chain” in your own words.a sequence showing how energy moves between organisms
- Explain “life cycle” in your own words.the stages a living thing passes through
- Explain “habitat” in your own words.the place where an organism lives
- 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 “decomposer” in your own words.an organism that breaks down dead material
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.