Lizzie recorded the lengths of 16 caterpillars (in mm) as shown below. Key: 0 | 1 = 1 How many of the caterpillars are shorter than 11 mm?
How many times does a caterpillar moult in its life span?
The image shows a magnified part of a caterpillar. The tiny openings shown in the above figure help the caterpillar breathe. What are they called?