IELTS Writing task 1 - Horse evolution

Label the anatomical features of the modern horse shown in the image.

a

b

c

d

e

f

Body

Mane

Hoof

Legs

Tail

neck

Arrange the sequence of development for the horse's feet

• small feet, distinct toes

• number of toes reduced, toes become different in sizes though

• bigger feet, larger middle toe, same number of toes as the previous stage

• toes disappeared, turned into a hoof

Reorder the following sentence

• their feet

• into the distinctive hoof

• until they eventually fused

• underwent a transformation,

• elongating and broadening

Reorder the following parts into a meaningful sentence

• and was characterized by

• with four distinct toes.

• The prehistoric horse,

• known as Eohippus, existed around 40 million years ago

• its smaller body and feet

Changes in size were conspicuous, with the ​ (a)   being remarkably larger than their ​ (b)   .

• predecessors
• ancestors
• children
• successors
• relatives

Compared to the foot of Mesohippus, that of Merychippus was ​ (a)   different, with the middle finger ​ (b)   considerably to nearly match the length of the side ones.

• marginally
• shrinking
• significantly
• shortening
• drastically
• widening
• expanding

With regard to the ​ (a)   of the horses that we see ​ (b)   , they have grown ​ (c)   in size, exhibiting a more ​ (d)   mane together with a ​ (e)   in comparison with its primitive counterparts

• appearance
• nowadays
• immensely
• prominent
• furrier tail
• slightly
• thinner tail
• body
• face
• from a long time ago

After 10 million years, it witnessed the ​ (a)   of 2 of its toes and the ​ (b)   of the middle one.

• disappearance
• enlargement
• shrinkage
• emergence
• addition
• removal