Science 23 May Weekly Quiz Unit 4 Lesson 1

These include skin, eyes, nose, ears, and tongue. They work to gather information from outside the body.

This is the process of finding an object by using reflected sound or echoes.

True or False: Most animals on Earth can see, hear, smell, taste, and feel.

• Of course that's true!!!

• No way man. That's definitely false!!!

Why might a fish have evolved large eyes?

• To see better in dark, deep water - Some fish live so deep in the ocean that hardly any sunlight reaches them, so they need really big eyes to collect as much light as possible.

• To spot predators coming from far away - Big eyes help fish see danger approaching so they can swim away quickly and stay safe.

• To find food more easily - Large eyes help fish spot tiny creatures to eat, especially when food is hard to find.

• To help them swim faster through the water - Larger eyes create better streamlined shapes that cut through water more efficiently.

Why might some rabbits have evolved large ears?

• To hear predators sneaking up on them - Big ears help rabbits detect the quiet sounds of foxes, hawks, or other animals that want to catch them.

• To keep their bodies cool in hot weather - Large ears work like fans, helping heat escape from their bodies when it's warm outside.

• To fly through the air like wings - Rabbits flap their big ears really fast to lift off the ground and soar through the sky.

• To store extra food inside their ears - Rabbits use their large ears like pockets to keep carrots and lettuce for later snacks.

What are some examples of animals that use different sensory organs than humans?

• 
• 
• 

What is a sense that a pit viper has that makes it unique?

• X-ray vision - Pit vipers can see through rocks and trees to spot animals hiding behind them.

• The power to read animals' minds - Pit vipers can tell exactly what other animals are thinking and planning to do.

• Heat vision - Pit vipers can "see" the body heat of warm animals like mice and birds, even in complete darkness.

What can a duck-billed platypus use its bill for?

• It can detect weak electrical fields put out by moving animals

• It can detect movement in the water

• It can detect rain before it arrives, often hours before

• It can "hear" animals breathing from miles away

How can some bats locate their prey?

• They send out a high-pitched sound, hitting their prey and bouncing back.

• The scream in a high-pitched tone and listen for the other animals' screams.

• They use their sensitive noses to smell their prey from miles away.