Year 7 · Science · Cells · Lesson 4
Specialised cells and organisation
Specialised cells - red blood, nerve, sperm, root hair and palisade cells - their adaptations, and levels of organisation from cell to organism.
16-minute video lesson
Teaching, worked examples and 20 practice questions solved step by step.
Watch free for a monthWhat your child will learn
- Describe five specialised cells
- Explain how adaptations help
- Order the levels of organisation
- Define tissue, organ and organ system
The method
- Cell + job.
- Feature.
- Link.
- How it helps.
Key words: specialised cell, adaptation, tissue, organ, organ system, organism.
Worked examples
The first three practice questions from the lesson, with every step.
Question 1
What is a specialised cell?
- Step 1: Job
Answer: a cell adapted for a particular job
Question 2
Which cell carries oxygen?
- Step 1: Red
Answer: red blood cell
Question 3
Which cell carries electrical signals?
- Step 1: N...
Answer: nerve cell