Distinguish animal and plant kingdom features
Use cell organisation and nutrition while allowing for specialised cells.
Section 1.3 · Features of organisms
Exam scope and assessment notes
Core and Extended · Biology 0970, 2026–2028. Use the stated specimen features and evidence. Diagrams are schematic. Written practice is self-checked; human subject-teacher review, supervised practical competence and cumulative assessment remain pending. Cambridge states that IGCSE 0970 has the same subject content as IGCSE 0610, with 9–1 grading. This StudyForA pathway maps the 2026–2028 syllabus only. This 9–1 graded qualification is available only in a limited number of administrative zones. Confirm that your centre can enter you for this code and exam series with Cambridge International. Cambridge has published a separate syllabus for 2029. StudyForA has not reconciled that version yet; this page supports exams in 2026, 2027 and 2028 only.
Before you begin
- Read the stated observations before choosing a group.
Work on paper. Try each question before revealing help, and explain why your method works.
Quick readiness check
Which reported feature supports a plant rather than an animal?
What you will learn
- Compare the main features of animals and plants.
- Classify from a combination of reported features.
Compare the whole organism and its cells
Animals are multicellular organisms with cells lacking cellulose walls and chloroplasts. They obtain organic food from other organisms or their products. Plants are multicellular, typically have cellulose cell walls, and use chloroplasts in photosynthetic tissues to make organic substances.
The comparison is not simply moves versus stays still. Plant parts can move, and some animals remain attached to a surface. The relevant evidence concerns cell structures and nutrition.
One specialised cell can be an exception
A plant root cell usually lacks chloroplasts yet belongs to a plant whose photosynthetic tissues have them. Examine the organism-level pattern rather than requiring every plant cell to photosynthesise. Both typical animal and plant cells have a membrane and cytoplasm.
A supplied multicellular organism with cellulose-walled cells and photosynthetic tissues supports plant classification. An organism with no cell walls and nutrition by feeding supports animal classification. Later Extended lessons distinguish other kingdoms that cannot be forced into these two choices.
Pause and explain
Which combination supports an animal?
Worked example
An organism is multicellular, has cellulose-walled cells and contains photosynthetic leaf tissues. Identify the kingdom.
Show the worked solution
- Multicellular organisation is consistent with plants.
- Cellulose walls support the plant group.
- Photosynthetic tissues provide further evidence.
Answer Plant kingdom.
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Choose Easy, Normal or Difficult. Save your answers and open worked review after finishing.
Test this topic →From guided practice to a new situation
Write your answer and reasoning first. Use a hint only if you are stuck. The model solution is for self-checking; your written work is not automatically marked.
A multicellular organism has no cell walls and consumes organic food. Classify it.
Give me a hint
Use both cellular and nutritional evidence.
Compare my reasoning
- No walls is consistent with animal cells.
- Feeding supports animal nutrition.
- The combined evidence supports the animal kingdom.
Animal.
Look for these in your work
- Name the kingdom.
- Use both observations.
Explain why a root hair cell lacking chloroplasts does not rule out the plant kingdom.
Give me a hint
Consider specialised tissue and the whole organism.
Compare my reasoning
- Roots perform absorption rather than photosynthesis.
- They can lack chloroplasts.
- Other tissues and cellulose walls provide plant evidence.
A specialised plant cell need not contain chloroplasts.
Look for these in your work
- Recognise specialisation.
- Use additional plant evidence.
A specimen is fixed to rock. What further information is needed before calling it a plant?
Give me a hint
Attachment alone does not describe nutrition or cell walls.
Compare my reasoning
- Some animals are attached to surfaces.
- Check cell-wall type and photosynthetic tissues.
- Use the combination to classify.
Cell structure and nutrition evidence; attachment alone is insufficient.
Look for these in your work
- Reject the habitat-only inference.
- Request diagnostic features.
Common mistakes
- Movement does not separate all animals from plants.
- Root cells without chloroplasts are still plant cells.
What can you explain now?
An animal cell has a membrane. Does that mean it also has a cellulose wall?
Compare with the explanation
No.
A membrane and a wall are different structures; animal cells lack cellulose walls.
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Make it stick
Compare animal and plant cells, then explain one specialised-cell exception.
If you needed the solution, close it and solve the problem again from a blank page. A correct answer is stronger when you can explain the reason for each step.