This type of body plan allows an organism to be divided into similar halves by multiple planes passing through a central axis—common in starfish and jellyfish.
What is radial symmetry?
Earthworms breathe through this part of their body, which must stay moist to allow gas exchange.
What is skin?
This hard outer covering protects the crayfish’s body and must be molted as the animal grows.
What is the exoskeleton?
This organ stores bile produced by the liver and is small, round, and greenish in color.
What is the gallbladder?
This persons favorite animal are horses.
Who is Sierra?
These tiny tube-like structures on the underside of each arm help the starfish move and grip surfaces.
What are tube feet?
Instead of one, an earthworm has five pairs of these structures that pump blood throughout its body.
What is the heart (aortic arches)?
These are the three main body segments of a grasshopper.
What are the head, thorax, and abdomen?
These paired organs are responsible for filtering waste from the frog’s blood and producing urine.
What are the kidneys?
This person has a pet axolotl.
Who is Morgan?
Located in the center of the starfish's body on its underside, this is where food enters.
What is the mouth?
This small, lobe-like structure is located at the very front of the earthworm and helps it sense its environment as it burrows.
What is the prostomium?
This body segment of the grasshopper contains both wings and legs.
What is the thorax?
This large, three-lobed organ is dark brown and produces bile to help digest fats.
What is the liver?
This person has read the same book 25 times.
Who is Neve?
To eat, a starfish pushes this part of its digestive system out of its mouth and into the shell of its prey to digest it externally.
What is the stomach?
This structure grinds up food in the earthworm’s digestive tract, since the worm lacks teeth.
What is the gizzard?
This strong mouthpart is used by the grasshopper to chew leaves and other plant matter.
What are mandibles?
This opening at the rear of the frog’s body serves as the exit for the digestive, urinary, and reproductive systems.
What is the cloaca?
This person plays 6 instruments.
Who is Madeline?
This internal structure pumps water through the water vascular system and is essential for movement.
What is the madreporite?
This thickened, glandular band near the front of the earthworm helps in reproduction by secreting mucus during mating.
What is the clitellum?
These small, leg-like structures on the underside of the abdomen help with swimming and reproduction.
What are swimmerets (or pleopods)?
Frogs are commonly dissected in middle school because their internal organs are similar in structure and function to those of this species.
What are humans?
These two people put as their fact that they were NOT born in Colorado. Bonus points if you can tell us where they were born.
Who is Amelie (Wisconsin) and Elliana (a different country)?