These are the different groups of mollusks.
What are chitons, gastropods, bilvalves, cephalopods?
These are the groups of Chordates.
What are Urochordate, Cephalochordate, and Vertebrate
These are the three germ layers in vertebrates.
What are endoderm, ectoderm, and mesoderm?
This is when an animal must use behaviors and the external environment to regulate their body temperature.
What are ectotherms?
These are the plates in echinoderms.
What are ossicles?
This is the general body plan for mollusks.
What are the head, the foot, and a cluster of internal organs called the visceral mass?
These are the different groups of Echinoderms.
What are Asteroidea (sea stars), Ophiuroidea (brittle stars), Echinoidea (sea urchins and sand dollars), Crinoidea (sea lilies or feather stars), and Holothuroidea (sea cucumbers)?
These are the four tissue types.
What are nervous, epithelial, connective, and muscular?
This is when an organism can internally control their body temperature.
What are endotherms?
This is when the head region is attached to the chest region in arthropods.
What is cephalothorax?
These worms have a complete digestive system.
What are nematodes?
This is the difference between reptiles and amphibians.
What is thoracic breathing?
This type of cells makes up bone.
What are osteocytes?
This is where temperature is regulated in humans.
What is the hypothalamus?
This is typically made of chitin in arthropods that provides structure.
What is exoskeleton?
These are the different groups of arthropods.
What are chelicerate, crustacean, insects, and myriapods?
This is the important of Tiktaalik.
These are the different types of epithelial tissue.
What are squamous, stratified, columnar?
This is an example of a positive feedback system.
An example is the uterus contracting stronger and faster when a woman is giving birth to a baby.
These help crustaceans swim in the ocean.
What are swimmerets?
These are the ways arthropods are economically important.
This is the water vascular system.
What is the water vascular system of echinoderms is essentially a system of fluid-filled canals that extend along each of the body regions and have many external projections called tube feet?
This is the tube within a tube concept.
Essentially the digestive system is complete and within the human body.
This is an example of a negative feedback system.
One example is when the temperature gets too low and the hypothalamus sends a signal to start vasoconstriction and shivering.
Another example is when the temperature gets too hot and the hypothalamus sends a signal to the sweat glands to start sweating and vasodilation.
These are diseases caused by nematodes.
What are filariasis, hookworm, trichinosis, etc.?