Ielts reading recent actual tests (2016 2017) with answers published by ieltsmaterial com

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has the most fruit, or which patch of flowers will contain the most nectar. There are also 
other, less obvious, advantages of numeracy. In one compelling example, researchers in 
America found that female coots) appear to calculate how many eggs they have laid 
– 
and add any in the nest laid by an intruder - before making any decisions about adding to 
them. Exactly how ancient these skills are is difficult to determine, however. Only by 
studying the numerical abilities of more and more creatures using standardized 
procedures can we hope to understand the basic preconditions for the evolution of 
number. 
Questions 15-21
Answer the table below. 
Choose NO MORE THAN THREE WORDS AND/OR A NUMBER from the passage for 
each answer. Write your answers in boxes 15-21 on your answer sheet 
Animal Numeracy 
Subjects 
Experiments 
Results 
Mammals and birds 
rhesus monkeys 
and humans 
looked 
at 
two 
sets 
of 
geometrical 
objects 
on 
computer screen 
performance of two groups is 
almost 
15...................................... 
Chicks 
chose between two sets of 
16...................... which are 
altered 
chicks can do calculations in 
order to choose larger group 
Coots 
behaviour of female birds was 
observed 
bird seems to have ability to 
17...................... 
Amphibians, fish and insects 

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Salamanders 
offered clear tubes containing 
different quantities of 
18....................... 
salamanders 
distinguish 
between numbers over four if 
bigger number is at least two 
times larger 
19 ................. 
shown real shoals and later 
artificial ones of geometrical 
shapes; these are used to 
check influence of total 
20...................... 
and 
brightness 
subjects 
know 
difference 
between two and three and 
possibly three and four, but 
not between four and five 
Bees 
had 
to 
learn 
where 
21.......................... 
was stored 
could soon choose correct 
place