What is the periodic shedding of the exoskeleton and is necessary as the arthropod grows?
What is ecdysis
what is the barbel
Where digestive wastes, urine, and eggs or sperm leave the body
What is the cloaca
With the exception of crocodilians, how many chambers does the reptile heart have?
What are 4 chambers
These mammals lay eggs
What are monotremes
This arthropod has a flattened body, 1 pair of legs per body segment, and pincers that inject venom.
What is a centipede
The thin walled sac that can inflate or deflate when the gasses from the blood pass into or out of it. It helps fish move up and down in the water.
What is the swim bladder
Transparent, moveable membrane that covers the eye
What is the nictitating membrane
What are two reasons reptiles bask in the sun
What is vitamin D absorption and thermoregulation
How many chambers does the mammalian heart have?
What are 4 chambers
What are the 3 body segments of an arthropod?
What are the Head, Thorax, Abdomen
A sensory organ that helps fish with staying in an upright position
what is the lateral line
Sounds are transmitted to the inner ear of amphibian by this membrane
What is the tympanic membrane
Modified scales that cover the turtle shell
What are scutes
The only mammal naturally capable of true flight
What are bats
What are the stages of complete metamorphosis?
What are the Larva, Pupa, Adult
How many chambers does a fish heart have?
What are 2
These are located behind the eyes on the head of toads and can contain poison
What are parotoid glands
Outer feathers that give birds their coloring
What are contour feathers
An animal that bears live young that is nourished directly by the mother's body as they develop.
What are viviparous
Why are arthropods are vulnerable after molting?
What is the exoskeleton is still soft
When an animal is colored dark on top and light on the bottom so that it helps them blend in with the water due to how the light travels through the water.
What is countershading
The greatest threat to the survival of frogs
What is habitat loss
Process by which birds groom
What is preening
What is the difference in horns and antlers
What is horns are hollow. aren't shed, and found in both sexes.
Antlers are solid, are shed and are only found in males except caribou