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Life Science & Ecosystems

Grade 5 · On-level practice · 8 questions · Version PG-2TTSOP-W9H5

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1.Explain “cellular respiration” in your own words.
2.Explain “food web” in your own words.
3.Explain “inherited trait” in your own words.
4.Explain “homeostasis” in your own words.
5.Explain “symbiosis” in your own words.
6.Explain “biodiversity” in your own words.
7.Explain “pollination” in your own words.
8.Explain “photosynthesis” 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 17
  1. Explain “cellular respiration” in your own words.the process cells use to release energy from food
  2. Explain “food web” in your own words.connected food chains in an ecosystem
  3. Explain “inherited trait” in your own words.a characteristic passed from parents to offspring
  4. Explain “homeostasis” in your own words.maintenance of stable internal conditions
  5. Explain “symbiosis” in your own words.a close relationship between different species
  6. Explain “biodiversity” in your own words.the variety of living things in an area
  7. Explain “pollination” in your own words.the transfer of pollen that helps plants reproduce
  8. Explain “photosynthesis” in your own words.the process plants use to make sugar from light, water, and carbon dioxide

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.