Digestion
What type of digestion uses structures to crush and grind food into small particles?
Mechanical Digestion
Veins carry blood toward the heart while what carries blood away from the heart?
Arteries
What are the tough bands of tissue called that are used to hold the bones of an endoskeleton together?
Ligaments
What are scissor-like mouth parts that insects use for eating plant material?
Mandibles
Tiny openings found along the sides of most insects
Spiracles
An animal that feeds on plants is known as what?
Which vertebrates have two-chambered hearts?
Fish
An organism that cannot move from place to place is described as...
Sessile
What are tiny vessels in a circulatory systems that connect arteries and veins called?
Capillaries
A muscular organ for mechanical digestion found in earthworms and birds
Gizzard
What organism has bacteria or protists living in it gut to break down wood?
termite
Which of the following animals has a hydrostatic skeleton?
crab, jellyfish, shark, snake
jellyfish
Which simple nervous system allows an animal to have a limited ability for control and response in its environment?
Nerve Net
A branching network of tubes used for respiration
Tracheae
Special cells that collect information and carry nerve impulses.
Neurons
Which system transports nutrients and gases throughout an animal's body?
Circulatory System
How do sponges obtain energy?
They filter microscopic particles from the water
What is the organ that aids in digestion and absorbing nutrients?
Intestine
A muscle used by mammals to draw air into the lungs.
Diaphragm
Threadlike structures that increase the surface area of gills
filaments
If an ectotherm becomes too hot or too cold it, may...
Move to another location to help regulate its body temperature
Which structures allow a bird's lungs to receive fresh oxygen when it breathes in and when it breathes out?
Air Sacs
What do invertebrates use to collect and expel wastes?
Excretory Tubules
What type of support system can also act as a reserve of important minerals?
Endoskeleton
A blood-like fluid found in animals with open circulatory systems
hemolymph