These anatomical terms mean "up" or "towards the head"
What is "cranial" or "superior"?
Term for the ends of a long bone
What is "epiphysis"?
The longest bone in the human body
What is the femur?
The biological definition of "evolution"
What is "change in a population over time"?
These two kinds of living animals combine to form the group called "amniotes"
What are reptiles and mammals?
The opposite of "proximal"
What is "distal"?
These cells break down bone material to release minerals into the bloodstream
What are osteoclasts?
The components of the axial skeleton
What are the skull, vertebrae, and ribs?
The term for structures in different organisms that were inherited from a common ancestor
What are "homologous structures"?
The first chordate in the fossil record
What is Pikaia?
This body cavity is protected by the ribcage in humans
What is the thoracic cavity?
Term for the creation of blood cells
What is "hematopoeisis"?
The different kinds of vertebrae in the human body, listed superior to inferior
What are cervical, thoracic, and lumbar?
The five causes of evolution
What are small population size, sexual selection, mutation, gene flow, and natural selection?
These fish are the oldest group to share our first ancestor with bony jaws
What are sharks?
This plane separates the ventral and dorsal sides of your body
What is the frontal plane?
These are the five functions of the skeletal system
What are protection, storage, manufacturing, movement, and support?
The kind of joint between the bones of the cranium
What is a fibrous joint?
These four lines of evidence show that evolution has actually happened
What are anatomical structures, biochemistry, the fossil record, and embryological development?
This skeletal feature is unique to reptiles and mammals
What is the sternum?
This body cavity contains the part of your body inherited from your most recent common ancestor with Pikaia
What is the vertebral cavity?
The part of a long bone that includes the medullary cavity
What is the diaphysis?
The special names for your C1 and C2 vertebrae, respectively
What are "axis" and "atlas"?
The three factors that combine to cause adaptive evolution
What are variation, heritability, and competition?
This living fish shares the "one bone, two bones, little bones" pattern of tetrapod limbs
What is the coelacanth?