She Sells Shells
Spineless
Fish Out of Water
Land Ho!
BirdMan
100
This system of the body is open in the majority of mollusks, and closed in cephalopods.
What is the circulatory system?
100
Most echinoderms have this type of symmetry where the organism have radii in multiples of five.
What is pentaradial?
100
This bone in a frog transmitts sound from the eardrum to the inner ear.
What is columella?
100
The adaptation attributed to reptiles that allowed them to reproduce on land was the development this.
What is the amniote egg?
100
Mammals similar to the kangaroo that are classified as pouch mammals are formally called these.
What are marsupials?
200
For a mollusk, this is he flexible tongue-like strip used in feeding.
What is the radula
200
In the watervascular system, these small tube protrusions aid in movement, feeding, and other essential functions.
What are tube feel?
200
This slit-like opening in the frog leads air from the back of the mouth into the lungs.
What is the glottis?
200
This loop of the reptile's circulatory system carries oxygen-lacking blood to the lungs and returns oxygenate blood to the heart.
What is the pulmonary loop?
200
Mammals are unique in that they have a covering of this that acts as an insulator.
What is hair?
300
This is the only subphylum of arthropoda that we know is extinct.
What is Trilobita?
300
The underside of a starfish where the mouth is located is called the oral surface. This similar name is the term for the top side.
What is the aboral surface.
300
This specific body shape along with a muscular tail helps the fish move quickly through the water.
What is streamline?
300
In the amniote egg, this extraembyonic membrane stores nitrogenous waster until the egg hatches.
What is the allantois?
300
This muscular sheet in humans divides the ventral cavity into the abdominal and thoracic cavities.
What is the diaphragm?
400
An arthropods sheds its shell in a process called molting, otherwise known as this.
What is ecdysis?
400
This system of water-filled canals is unique to echinoderms.
What is the watervascular system?
400
In fish, this is a system that consists of a row of sensory structure that detects vibrations in the water.
What is the lateral line system?
400
In most reptiles, there is a 3-chambered heart: 2 atria, and one of these.
What is a ventricle?
400
A bird possesses these in order to have efficient respiraion, low density, and lightness.
What are air sacs?
500
This epidermal layer that is unique to the mollusk secretes the shell and contains the visceral mass.
What is the mantle?
500
If a sea cucumber is being threatened by a predator, it will most likely use this method of ejecting its internal organs.
What is evisceration?
500
Organisms in the class Agnatha like the lamprey eel have rounded mouths also called these.
What are cyclostomes?
500
This specialized organ used to sense odors is present in reptiles except crocs and most turtles.
What is Jacobson's organ?
500
This system of the body consists of the lymph nodes and vessels along with the white blood cells.
What is the immune system?
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