Show:
Hair
Mouths
Eyes
Bones
Outer Structures
100
Why do camels have really long eyelashes?
To catch dust particles and prevent sand from getting in their eyes.
100
Describe the structure and function of a tiger's teeth.
Tiger's teeth are long and sharp for puncturing and tearing into meat.
100
Why do predators have forward facing eyes?
To effectively stalk prey and gauge relative distances.
100
Why do we have bones?
For structure and support of shape.
100
Why do turtles have an outer shell?
For protection against predators.
200
Why do we have hair in our noses?
To filter foreign particles and change the air current to trap them on the inner mucus.
200
Describe the structure and function of a cow's teeth.
Cow's teeth are flat and blunt for grinding the tough fibers of plants and grass.
200
Why do deer have eyes on both sides of their head?
To see oncoming predators from two sides.
200
Why do we have a rib cage bone structure?
To protect vital internal organs.
200
Why do marsupials have pouches?
To carry young in.
300
Why does your hair stand on end?
In an attempt to insulate your body from wind and cold.
300
Describe the different shapes and functions of human teeth.
We have incisors for cutting off smaller chunks, canines for ripping into meat, and molars for grinding plant matter and other foods.
300
Why are there some species of fish, moles (star-nosed mole), and salamanders that live within caves that don't have eyes?
They live in the dark and therefore don't need eyes.
300
Why do birds have hallow bones?
To be light enough to fly.
300
Why do some butterflies have "eyes" on their wings?
To confuse and scare off potential predators.
400
What do the tiny hairs on the pads of a gecko's feet allow it to do?
Hang upside down and climb vertical heights.
400
Fact: Hippos' back teeth are like cows' teeth. Why might this be?
Hippos have similar diet of plants and grass, which their back molars can help grind.
400
Why don't fish have eyelids?
They don't need to hydrate their eyes when in water.
400
Why do male deer have antlers?
To compete for domination of the herd.
400
What do whales have to keep them warm?
Blubber.
500
Why do otters have a thick, oily coat?
To prevent their fur from getting wet and cold.
500
Why would a snake's jaw dislocate while swallowing prey whole?
A snake's jaw dislocates to make a wide enough opening for the prey to slide down it's jaw, otherwise the prey might not fit.
500
Why do your pupils expand and contract?
To adjust for varying amounts of sunlight.
500
Why do insects have an exoskeleton instead of bones?
To protect the soft insides of the insect without adding extra weight.
500
Why do some plant seeds like burs and foxtails have hooks and spines?
To catch passing animals' fur and spread farther.