Year 8 Science · Unit 1 · Lesson 5

Checkpoint 1, Cells to Systems

Foundation Worksheet

Name
Date
Class

Learning Goals

Fill the gap

Choose the correct word from the word bank to complete each sentence. Two words will not be used.

cell tissue organ organelle chloroplast system vascular nucleus molecule

The basic unit of all living things is the . When many similar cells work together to do the same job, they form a . Different types of tissue can be combined into an , which has a clear major function. A is a small structure inside a cell that carries out a specific job, for example, the is found only in plant cells and is the site of photosynthesis. In plants, xylem and phloem are part of the system, which moves water and sugars around the plant. When several organs work together to carry out a major life process, they form an organ .

Sort it!

Write each item from the pool into the correct category box below.

Cell membrane Cell wall Circulatory system Chloroplast Digestive system Root system Large central vacuole Nervous system Shoot system Mitochondria Vascular system (xylem/phloem) Nucleus Leaf Flower

Animal cell features only

Plant-only features

Animal organ system types

Plant organs / plant organ systems

1. Put these levels of organisation in order from smallest to largest: organism, organ, cell, tissue, organ system. Then write a one-sentence definition of each level.

Recall 3 marks

2. A wattle tree and a kangaroo are both living organisms. Write one similarity and one difference in how they are organised as living systems.

Recall 2 marks

Wrap Up

In one sentence, what was the main idea of this lesson?