What are animals
Are animals unicellular or multicellular?
All animals are multicellular
What do all invertebrates have in common?
They have no backbone
What are the vertebrates that fall into the chordate category? List three
Fish, mammals, reptiles, birds, amphibians
Body plans which cannot be divided into any two parts that are nearly mirror images?
Asymmetry
What do fish use to breathe?
Gills
What is the difference between bilateral symmetry and radial symmetry?
Bilateral symmetry is when an organism can be divided into two parts that nearly mirror images of each other
Radial symmetry is when a thing can be divided into mirror images from a central axis (circle)
What is an animal that has tiny stiff fibers that support their bodies
Sponges
Give an example of an amphibian
Frog, newt, salamander, toad
What is a parasite?
Animals that survive by living inside or on another organism for food
Give an example of an invertebrate.
Sponge
Worm
Cnidarians
Parasites
What is the study of how animals are organized?
Taxonomy
How are arthropods and arachnids different?
Arthropods have three body segments
Arachnids have two body segments
What is the difference between endotherm and an ectotherm?
Endotherms are warm-blooded
Ectotherms are cold-blooded.
What is a fluid-filled internal cavity surrounded by muscle tissue?
Hydrostatic skeleton
Give one characteristic of a bird
Warm blooded
Feathers
Fly
What is the difference between an exoskeleton and an endoskeleton?
An exoskeleton is on the outside of an animal and can be seen as a shell
An endoskeleton is on the inside and is made of bone.
What is it called when an animal changes as it grows from an egg to an adult
metamorphosis
What four things do all chordates have?
Nerve cord, notochord, tail, and pharyngeal pouches
What is a protective membrane that surrounds the embryo
amnion
How are a reptile and an amphibian different?
Reptiles do not need moisture to survive like an amphibian does
What are three types of adaptations animals can have?
Behavioral, functional, and structural
What are the three body segments all arthropods have?
Head, thorax, abdomen
What are the three types of fish?
Jawless fish, sharks/rays, bony fish
What is it when an outer covering is shed and replaced
Molting
What three things does an animal need to have to be a mammal?
Live birth
Fur
Produce milk