Aidan Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Variety of Living Things, Exercise 3: Exercise 3
Aidan Gill Science Solutions for Exercise - Aidan Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Variety of Living Things, Exercise 3: Exercise 3
Attempt the free practice questions on Chapter 4: Variety of Living Things, Exercise 3: Exercise 3 with hints and solutions to strengthen your understanding. Cambridge Lower Secondary Science Stage 7 : Workbook solutions are prepared by Experienced Embibe Experts.
Questions from Aidan Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Variety of Living Things, Exercise 3: Exercise 3 with Hints & Solutions
Scientists can classify human blood as being one of four different types, called blood groups. A scientist investigates the number of people with different blood groups. Her result is shown in the chart below.
A) How many people had the blood group AB?
B) Which was the most common blood group?
C) Explain why the graph has been drawn with spaces between the bars.
Lily is measuring the length of leaves from a tree. She measures the length of 60 leaves and records her results in a tally chart.
Her results are shown below:
a) Complete the tally chart by adding the total for each group of measurements.
b) Lily finds a leaf that is 150 mm long. Explain why it is unlikely that this leaf comes from the tree that she investigated.
c) Explain why it is impossible to know the true range of Lily's set of data.
