Skeletons
Hard, living, and mineralized tissues that most vertebrates posses
Thin, bony plates that are formed from the skin
What are scales?
All the stages an insect goes through when developing from an egg to adult
What is Metamorphosis?
The skeleton on the outside of an animal
What is a exoskeleton
Feathery Slits that take in oxygen and release carbon dioxide
What are gills?
All the stages an insect goes through when developing from an egg to adult
What is a Marsupial?
Skeleton on the inside of an animal
Fan-shaped membranes supported by rigid spines that help fish maintain balance, move, and steer
What are fins?
A mammal that reproduces by laying eggs, but still has milk, hair and teeth
What is a Monotreme?
An animal with a backbone
What is a vertebrate?
Thin membrane that surrounds internal organs
What is the Mantle?
Form of asexual reproduction in which an organism develops from an unfertilized egg
What is Parthenogenis?
Tough, flexible, bonelike material
What is Cartilage?
A body cavity that most animals possess
What is the Coelom?
Developmental stage of an embryo when a single layer of cells is surrounded by a fluid filled space
What is a Blastula