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WorksheetsUnit 5: Animal Structure and Function
Total questions: 20
Worksheet time: 13mins
Which set of organs most helps people know if something is cold?
brain and skin
heart and tongue
nose and muscles
eyes and stomach
Canada geese are landing in a quiet city playground. More people start using the playground. This causes many geese to fly away. In the following weeks, fewer geese land in the playground. Which sentence most likely explains why there are fewer geese?
They were scared and learned not to come back to that place.
They were separated from their mates and left to find them.
They could not find food, so they went to another place to eat.
They could not hear each other, so they went to a quieter place.
Which organs work closely together to help a lion find food?
ears, fur, heart
eyes, nose, brain
eyes, lungs, heart
nose, fur, stomach
The movement of legs allows people to walk. Which three body systems work together closely to give the legs movement?
muscular, nervous, and skeletal
digestive, muscular, and respiratory
circulatory, digestive, and muscular
circulatory, digestive, respiratory
Snowshoe hares live in wooded areas. In the summer, their fur is brown. In the winter, their fur is white. How does fur help the snowshoe hare?
keeps the hare warm
makes the hare move quickly
hides the hare from predators
allows the hare to dig burrows.
A hawk is a bird that eats mice. A hawk can see a mouse on the ground from above. Which is the first step to how a hawk sees a mouse?
Light enters the hawk's eyes
Light comes from the sun.
Light is reflected off of the mouse.
A rabbit hears a predator. Then it runs away. Select all the body parts that work together as the rabbit hears the predator and sends messages to run away.
Brain
Ears
Tail
Muscles
Nose
Where would an animal with thick white fur and a thick layer of fat most likely live?
in a desert
in a stream
in a grassland
in a polar region
Which of these is a name for any trait that helps a living thing survive?
action
adaptation
pollination
conservation
Rasheed accidentally bumped his leg on a desk. What is the first thing that happened within Rasheed's nervous system?
He yelled, "Ow!"
The nerves in his leg sensed pain.
The leg nerves sent a message to the brain.
the brain sent a message to the skin in his leg.
Josie likes to visit the park in her neighborhood to watch hummingbirds. She often see them find food from deep inside flowers. Which feature of a hummingbird is most adapted to what the bird eats?
the length of its legs
the size of its wings
the shape of its beak
the color of its feathers
The difference in these structures is most closely related to --
What is the function of the digestive system?
Transport both blood and lymph around the body
Takes in oxygen and removes carbon dioxide from the body
Converts food into the nutrients that will fuel the body
What is the function of the respiratory system?
Transport both blood and lymph around the body
Takes in oxygen and removes carbon dioxide from the body
Converts food into the nutrients that will fuel the body
How do the human body and its functions depend on the excretory system?
intake and removal of gases
take in food and break it down into nutrients
remove waste materials
holds blood
How does the snail use its shell?
to find food
to reproduce
to digest its prey
to protect itself from predators
What system are blood vessels a part of?
respiratory system
circulatory system
digestive system
excretory system
Body systems work together to supply cells with nutrients. Which list shows the path nutrients would take in the body?
food - digestive - circulatory - cells
air - respiratory - digestive - cells
air - respiratory - circulatory - cells
food - digestive - respiratory - cells
_________________ are information highways that carry signals between the brain and the rest of the body?
blood vessels
eyes
ears
nerves
How do structures like whiskers and antennae help organisms?
