The passage contains TEN errors. Each
indicated lie contains a maximum of TEN error. In each case,
only TEN word is involved. You should proofread the passage and
correct it in the following way: For a wrong word,
underline the wrong word and write the
correct one in the blank provided
at the end of the line. For a
missing word, mark the position of the
missing word with a " ∧ "sign and write the word
you believe to be missing in the blank
provided at the end of the line. For an
unnecessary word, cross the unnecessary word with
a Slash "/" and put the word in the blank
provided at the end of the line.
Like all animal species, plant species must spread their
offspring to suitable areas where they can grow and pass on their parent’s
genes. Young animals generally spread (1) ______ by
walking or flying. Because plants don’t have that ability, they may somehow
(2) ______ hitchhike. Some plant
seeds scatter by blowing in the wind or floating on water. Many other plant
species, though, trick an animal into carrying their seeds. How do they do
They enclose them within a tasty fruit and advertise the fruit’s ripeness
by its color or smell. The hungry animal collects and swallows the fruit,
walks or flies off, but later spits out the seeds somewhere far from its
parent tree. Seeds (3) ______ can thereby be
carried thousands of miles. It may surprise you to learn that plant
(4) ______ seeds can resist digestion. In fact, some
seeds actually require passage through an animal’s body before they can grow.
Wild strawberries offer a good example of hitchhiking tactic. When strawberry
seeds are still young and not yet ready to be
(5) ______ planted, the surrounding fruit is green, sour, and hard.
When the seeds final mature, (6) ______ the berries turn
red, sweet, and tender. The change in the berries’ color serves as a signal
to birds which then eat the strawberries, fly off, and eventually spit out
the seeds. Naturally, strawberry plants doesn’t set out with a conscious intent
(7) ______ of attracting birds only when their
seeds were ready to be dispersed away. Nor
(8) ______ did birds set out with the intent of planting strawberries.
Rather, strawberry plants evolved through natural selection. The sweeter and
reder the final strawberry, the (9) ______ more
birds spread its ripe seeds; the greener and more sour the young
strawberry, the birds destroyed the seeds by eating berries before the seeds
were ready. (10) ______