IXL | Compare information from two texts

Read a text about echolocation.

Perhaps due to brown bats' strange-looking flight patterns, many people believe that these fascinating mammals are blind. This is incorrect, because not only are they perfectly capable of seeing with their eyes, but they can also visualize their surroundings with their ears. Brown bats produce high-frequency sound waves that create echoes when they bounce off objects. In a remarkable process known as echolocation, they translate these echoes into visual information. Thus, even in the pitch dark of night, these bats can hunt insects, one of their food sources. They can also use echolocation to navigate their surroundings.

Select the two details that are included in the text.

Detail	Text 1
Echolocation provides a way to "see" without using one's eyes.
Some visually impaired people have learned to echolocate just as bats and other creatures do.
Some bats use echolocation to hunt and navigate at night.

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question

Read a text about déjà vu.

Déjà vu is the strange feeling that an event that is currently happening has somehow already happened before. Researchers estimate that two-thirds of people have felt déjà vu before. Yet the causes of déjà vu remain a mystery. This, at least in part, is because the phenomenon is extraordinarily difficult to study in a laboratory. By its very nature, déjà vu is spontaneous and unpredictable. We can't make it happen, nor can we know when it will happen. It's also very infrequent. It wouldn't be practical to bring people into a lab and simply wait for déjà vu to occur; chances are, it won't.

Select the two details that are included in the text.

Detail	Text 1
Research on temporal lobe epilepsy may shed light on the mystery of déjà vu.
Déjà vu occurs randomly and without warning.
Research on déjà vu is limited because it is difficult to study in a controlled environment.

key idea

When you study a topic, it's a good idea to read texts from different authors. Think about how the texts are similar and how they are different. The details included in the texts can help you understand the authors' points of view. For example, look at the following details from two texts by different authors:

Text 1
- Many endangered animals live in zoos.
- People can learn about animals at zoos.
- Zoos protect animals from being hunted in the wild.

These details highlight the benefits of zoos.

Text 2
- Many endangered animals live in zoos.
- Zoo life puts animals under a lot of stress.
- Animals in zoos cannot live in their natural habitats.

These details highlight the negative effects of zoos.

The authors can use these details to support different points of view about zoos. The author of Text 1 probably thinks that zoos are valuable to both humans and animals. The author of Text 2 probably thinks that zoos are harmful to animals.

solution

Two of the details are included in the text:

green checkmark, Déjà vu occurs randomly and without warning.

The text says, "By its very nature, déjà vu is spontaneous and unpredictable. We can't make it happen, nor can we know when it will happen."

green checkmark, Research on déjà vu is limited because it is difficult to study in a controlled environment.

The text says, "This, at least in part, is because the phenomenon is extraordinarily difficult to study in a laboratory."

This detail is not included in the text:

red X symbol, Research on temporal lobe epilepsy may shed light on the mystery of déjà vu.

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Not feeling ready yet? These can help:

A.1Determine the main idea of a passage

O.2Choose evidence to support a claim

Q.1Identify supporting details in informational texts

D.1Determine the author's point of view

E.2Compare information from two texts

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