Senses
Why do animals need their senses?
A. Animals must use their senses to breathe.
B. Animals need their senses for their brains to function.
C. Animals need their senses for their hearts to function
D. Animals must take in and process information in order to make a response.
A tortoise uses its eyes to see something moving nearby. The tortoise feels threatened by the movement. It pulls its head, legs, and tail into its shell. The tortoise's shell is hard and thick. This helps protect the turtle's soft body parts from any danger.
Which of these describes a response of the tortoise to sensory information processed by its brain?
A. The tortoise's shell is hard and thick.
B. The tortoise's soft body parts are protected from any danger.
C. The tortoise uses its eyes to see something moving nearby.
D. The tortoise pulls its head, legs, and tail into its shell.
A rabbit in a grassy field hears in the distance the rustling of trees and grass. The rabbit then quickly runs into a rabbit hole. Which of the following best describes the reaction of the rabbit to the sound?
The rabbit's muscles sense the sound which makes it run to safety.
The rabbit hears the sound and learns that the sound represents danger at the same time.
The rabbit hears the sound, and because of memory stored in the brain, it reacts by running to safety.
The rabbit hears the sound, the information goes directly to the rabbit's muscles, and it runs to safety.
When your ear hears a smoke alarm. Your brain then signals muscles in your feet and legs, and you start to exit the building to get away from a possible fire.In the process that was described, which was a sensory receptor?
A. brain
B. eye
C. ears
D. muscles
Electric eels can generate powerful electrical charges to stun prey and defend themselves. They also use weaker charges to navigate murky waters and communicate with other eels.
What is NOT a way electric eels use their electrical abilities?
A. To stun their prey.
B. To see in clear water.
C. To navigate murky water.
D. To defend themselves.
Some animals have senses that humans do not have. These senses may have come about because they help the animals adapt to different environments and ways of life.
Which of the following is an example of an animal using a sense that humans do not have?
A. A dog uses its sense of smell to find a bone.
B. A bat uses echolocation to catch a flying insect.
C. A bird uses its sense of hearing to find its family.
D. A monkey uses its sense of taste to decide which fruit is ripe.
Whn your eye sees a pencil, it sends a signal to your brain.Your brain signals muscles to you hand and arm so that you can reach and pick up the pencil. In this process, what is the sensory receptor?
A. Brain
B.eye
C. muscle
D. bone
Young wolves learn how to hunt with their pack. When a young wolf smells the scent of a rabbit, it sees an older pack member pounce on the rabbit as prey. When this young wolf is mature and hunting and smells the scent of a living rabbit, it prepares itself to pounce on the rabbit. How does the wolf know that the rabbit is good for food?
A. The wolf learns about the rabbit scent as it smells it.
B. The wolf is born with the ability to know what a rabbit smells like.
C. The wolf senses the same scent from the rabbit as from other animals.
D. The wolf remembers the smell and taste of rabbit from when it was younger.
Which includes only a list of fossil fuels?
A. Decomposition, cementation, deposition
B. Sedimentary rock, coal, oil
C. Petroleum, fossils, coal
D. Coal, natural gas, oil
What is a stimulus? (Not a MC)
A change that causes a response.
An eagle on a tree branch sees an injured squirrel 50 meters away on the ground. The eagle then flies from the tree to prey on the injured squirrel. Which of the following best describes what happened with the eagle before it started to fly toward the squirrel?
A. The eagle's brain recognized the squirrel as prey.
B. The sense received from the squirrel went directly to the eagle's eyes and to its muscles.
C. The eagle was born with the ability to prey on squirrels, so no brain activity was required.
D. The sight of the squirrel came only from the eagle's memory, which stimulated the muscles to move.
The African elephant can detect sounds and vibrations through its fee, helping it communicate with other elephants from miles away. These vibrations travel through the ground and are picked up by sensitive nerve endings in their feet and trunk. Which statement best describes how elephants use ground vibrations?
A. The use them to find water underground.
B. They use them to communicate with distant elephants.
C. They use them to detect approaching predators only.
D. They use them to find food buried in the soil.
Meerkats live in large family groups.To communicate, meerkats make loud calls that can have many different meanings. The animals often use these calls to warn their family members about nearby predators, such as snakes and hawks.
Which of the following senses is most important to meerkats when using calls to communicate?
A. sight
B. smell
C. taste
D. hearing
How do you measure the amplitude of a wave?
A. Crest to crest
B. Trough to crest
C. Baseline to crest
D. Trough to trough
What in an environment? (Not a MC)
Place where an organism lives and collects information.
Hammerhead sharks have special sensors across their wide hammer-shaped heads that can detect tiny electrical signals produced by prey hiding under sand on the ocean floor.
Why is the hammerhead shark's wide head useful?
A. It helps to swim faster.
B. It covers more area to detect electrical signals.
C. It helps them breathe better.
D. It makes them look scary to predators.
Snakes have special heat-sensing pits on their faces that detect body heat of neaby animals. This helps them hunt even in complete darkness by sensing the warmth of potential prey.
What is the main advantage of a snake's heat-sensing ability?
A. It helps them stay warm in cold weather.
B. It allows them to avoid hot surfaces.
C. It helps them hunt in the dark.
D. It helps them communicate with other snakes.
What does it mean when an animal PERCEIVES something?
To become aware of
A deer's forest burns down. What might a deer's response be to this change in environment?
Answers will vary.
Environments of organisms are always changing. How might these changes affect an organism? Think about OH, DEER!!
(Not a MC)
If the amount of resources changes (decreses), some organisms my not find what they need to survive.
Chameleons can move each eye independently and can look in 2 different directions at once. They can rotate their eyes 360 degrees, giving them the ability to see all around them without moving their heads.
What makes a chameleon's vision unique?
A. They can see in the dark.
B. They can see under water.
C. They can change their eye color.
D. They can move each eye independently.
Chameleons can move each eye independently and can look in 2 different directions at once. They can rotate their eyes 360 degrees, giving them the ability to see all around them without moving their heads.
How do you think this helps them survive? (Not a multiple choice)
Because they can see all around them without moving, this will help them spot predators and prey.
What kinds of behaviors might an animal exibit if it is a predator?
Answers will vary
What are instinctive behaviors? Give an example.
Behaviors that animals are born with knowing how to do in response to a stimulus.
Birds -migration
What kinds of behaviors might an animal exibit to protect itself if it is being hunted?
Answeres will vary