영어2 천재 조수경 3과 본문 빈칸

____ are amazing.

Throughout their long ____, they have created diverse survival strategies.

Seeds, in particular, are ____ of the strongest survival techniques they have developed.

Let’s discover the fascinating and mysterious ____ of seeds.

Help ____ and Help Me

Plants will do anything to spread their ____.

They offer tasty food to ____ in return for distributing their seeds.

Jackfruit, the world’s largest tree fruit, has a sweet ____ that attracts animals, similar to pineapples and bananas.

It tempts animals to eat ____ fruit meat, thereby getting them to eat the seeds.

The fruit meat is digested by the animals that ____ it, but the seeds are not digested and pass through the animals’ digestive tracts untouched.

When these animals poop out the seeds, the seeds begin to sprout and grow, and ____ spreads.

In exchange for a satisfying meal, the animals spread the ____ seeds.

Many plants opt to scatter their seeds by providing food to animals, but ____ all of them do.

Some plants attach their seeds to passing animals, spreading them ____ any return benefit.

Instead of ____ sweet fruits, these seeds are equipped with sharp hooks or needles.

Devil’s claw stands out as the most vicious of these ____.

Devil’s claw primarily inhabits the Kalahari Desert in South Africa, ____, and Botswana.

Its blossoms ____ pink trumpets eventually transform into fruits with many hooks.

As these fruits dry, they ____ solid, and their hooks become tough enough to attach to the bodies of animals.

As ____ pass by, the hooks extending in all directions will keep the dried fruit firmly attached to their fur.

As the animals move away, the seeds from the fruit will be ____ in various locations.

The attached hooks cause severe pain to the animals, ____ them feel like the devil is scratching them with its horrifying claws.

That is how devil’s claw ____ known as the worst free rider.

Out of numerous creative methods for spreading seeds, silver arrow-reed in South ____ has a particularly unique one.

____ arrow-reed spreads its seeds by deceiving dung beetles.

Dung beetles, by nature, roll antelope dung and bury it in the ground to ____ or lay eggs in.

Silver arrow-reed seeds are dark brown, ____, and slightly larger than 1 cm in size.

Their visual ____ and smell are quite similar to antelope dung.

So when a seed falls onto the ground, dung beetles will approach the ____ seed within minutes.

Then, they carefully roll the seed away as if it were antelope ____.

That is why dung beetles are often spotted rolling silver ____ seeds that look and smell like dung balls.

When they try to eat the seeds or lay eggs inside of them, however, the ____ beetles will realize they cannot.

They have no choice but to ____ and search for real dung balls.

By tricking dung ____ to roll away and bury the seeds, silver arrow-reed is able to spread and plant its seeds better.

____ all seeds are transported by animals.

Some are carried by the ____.

This ____ is used by maple trees.

Maple seeds are shaped like a ____ with irregular ridges on the surface.

When a maple seed falls from the tree, it ____ around.

This rotation ____ the seed stay in the air longer and fly farther.

It is similar to how helicopters ____ lifted and stay in the air using their propellers.

The rotation caused by ____ wings allows the maple seed to elevate twice as high as non-rotating seeds.

As a result, it can travel much farther from the ____ tree.

The rotation also slows ____ the speed of the fall, and the seed softly lands on the ground.

This helps reduce the damage to the seed ____ the fall.

In most ____, mature seeds are automatically separated from the parent plant.

____, some plants only release their seeds after enduring an extreme experience.

Eucalyptus is one ____ example.

Eucalyptus seeds are as tiny as grains of sand, but they are bound together in firm ____.

Birds cannot eat them ____ they are securely protected by a strong shell.

In long periods of hot and dry weather, eucalyptus leaves rub together and naturally catch fire because the ____ contain highly flammable oil.

The extreme heat from the fire causes the shell to ____ open.

Finally, the ____ come out of the shell, hit the ground, and begin to grow.

The fallen seeds are conveniently concealed in the soft ash left over after the fire, which protects ____ from the harsh environment.

Wildfire, often started by the parent tree, also burns ____ everything on the ground, destroying other plants that would compete with the seeds for the water and sunlight needed for growth.

As you can see, eucalyptus is only able to reproduce provided that there is ____.