Animals sleep

According to the passage, what area of the brain did Wilson and his colleagues study in rats?

• Cerebellum

• Hippocampus

• Cortex

• Medulla

What did the researchers find when they looked at the activity of nerve cells in rats while they slept?

• The patterns were completely different from when they were awake.

• The patterns were nearly identical to when they were awake.

• The rats did not show any brain activity.

• The patterns were random.

Fill in the blank: The brain patterns in sleeping rats were so similar to those when awake that researchers could tell what part of the ______ the rats were dreaming of.

• maze

• cheese

• cage

• lab

What effect does sleep deprivation have on honeybee communication, according to Klein's research?

• It improves their waggle dance.

• It makes their dances sloppier.

• It has no effect.

• It makes them sleep more.

According to the passage, what is the main idea about animal dreaming?

• Only humans are known to dream.

• There is growing evidence that animals may dream, but how they experience dreams is still a mystery.

• Scientists have proven that all animals dream the same way as humans.

• Animals do not process information while they sleep.

Scientists observed something comparable to REM sleep in a lizard called a _________

• bearded dragon

• komodo dragon

• gecko

• iguana

Based on the passage, what is one piece of evidence that suggests bees might dream?

• Bees show brain activity patterns during sleep similar to dreaming animals.

• Bees collect nectar from flowers.

• Bees live in hives.

• Bees communicate by dancing.

What is still unknown about animal dreaming, according to the passage?

• The exact content of animal dreams

• Whether animals dream at all

• How long animals sleep

• The types of animals that exist

Which animal's sleep patterns were studied to understand the similarities with human REM sleep?

• Dolphin

• Elephant

• Chimpanzee

• Bearded dragon

What did researchers discover about the brain activity of sleeping bees?

• It is identical to their activity when awake.

• It shows patterns similar to dreaming animals.

• It is completely inactive.

• It is random and unpredictable.