Question
SLPaper 2
The diagram shows the leaves of Athyrium filix-femina.
1.[1]
Outline why the number of trophic levels is limited in a food chain.
Verified
Solution
- Energy losses between trophic levels
OR
Only part of the energy in one trophic level will become part of the next trophic level;1 mark
2.[1]
State the phylum of this plant.
Verified
Solution
Filicinophyta/Filicinophytes/Pteridophytes
Reject “ferns”
3.[2]
State two characteristics of plants from the phylum you stated in part 2.
Verified
Solution
- Have roots, stem, and leaves
All three, roots, stem, and leaves required;1 mark - Pinnate leaves/leaves divided «repeatedly» into leaflets;
1 mark - Have vascular tissue/xylem and phloem;
1 mark - Produce spores/sporangia
OR
No flowers/fruits/seeds;1 mark
[Max 2 Marks]