Worked example
A lightweight seed has a broad papery wing. Which carrier could the wing help it use?
Answer & why
Answer: wind
A broad light wing can catch moving air.
Grade 2 · Science
Explain ways seeds travel
Connect a seed’s described features with a possible way it moves to another place.
6 authored questions + worked example
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All questions
All 6 authored questions for this skill.
Question 1
A seed has small hooks that catch on a passing dog’s coat. Which carrier is involved?
- water
- an animal eating fruit
- animal fur
- wind
A hint
Look at the described seed structure: hooks, wings, fluff or a fruit.
Answer & why
Answer: animal fur
The hooks attach the seed to fur.
Question 2
A bird swallows a berry, and an undigested seed later leaves its body elsewhere. Which process carried the seed?
- animal fur
- water
- an animal eating fruit
- wind
A hint
Look at the described seed structure: hooks, wings, fluff or a fruit.
Answer & why
Answer: an animal eating fruit
The bird moved after eating fruit and carried the undigested seed.
Question 3
A fluffy seed lifts into moving air. Which carrier is observed?
- an animal eating fruit
- animal fur
- wind
- water
A hint
Look at the described seed structure: hooks, wings, fluff or a fruit.
Answer & why
Answer: wind
Moving air carries the lightweight seed.
Question 4
A floating seed moves across a pond with the current. Which carrier is observed?
- an animal eating fruit
- animal fur
- wind
- water
A hint
Look at the described seed structure: hooks, wings, fluff or a fruit.
Answer & why
Answer: water
The pond’s moving water transports the floating seed.
Question 5
A lightweight seed has a broad papery wing. Which carrier could the wing help it use?
- an animal eating fruit
- animal fur
- water
- wind
A hint
Look at the described seed structure: hooks, wings, fluff or a fruit.
Answer & why
Answer: wind
A broad light wing can catch moving air.
Question 6
A seed case floats and is found drifting down a stream. Which carrier is directly observed?
- animal fur
- water
- an animal eating fruit
- wind
A hint
Look at the described seed structure: hooks, wings, fluff or a fruit.
Answer & why
Answer: water
The flowing water carries the floating case.