Anatomical Terms
Bone Structure
Skeletal Parts
Evolutionary Theory
Evolutionary History
100

These anatomical terms mean "up" or "towards the head"

What is "cranial" or "superior"?

100

Term for the ends of a long bone

What is "epiphysis"?

100

The longest bone in the human body

What is the femur?

100

The biological definition of "evolution"

What is "change in a population over time"?

100

These two kinds of living animals combine to form the group called "amniotes"

What are reptiles and mammals?

200

The opposite of "proximal"

What is "distal"?

200

These cells break down bone material to release minerals into the bloodstream

What are osteoclasts?

200

The components of the axial skeleton

What are the skull, vertebrae, and ribs?

200

The term for structures in different organisms that were inherited from a common ancestor

What are "homologous structures"?

200

The first chordate in the fossil record

What is Pikaia?

300

This body cavity is protected by the ribcage in humans

What is the thoracic cavity?

300

Term for the creation of blood cells

What is "hematopoeisis"?

300

The different kinds of vertebrae in the human body, listed superior to inferior

What are cervical, thoracic, and lumbar?

300

The five causes of evolution

What are small population size, sexual selection, mutation, gene flow, and natural selection?

300

These fish are the oldest group to share our first ancestor with bony jaws

What are sharks?

400

This plane separates the ventral and dorsal sides of your body

What is the frontal plane?

400

These are the five functions of the skeletal system

What are protection, storage, manufacturing, movement, and support?

400

The kind of joint between the bones of the cranium

What is a fibrous joint?

400

These four lines of evidence show that evolution has actually happened

What are anatomical structures, biochemistry, the fossil record, and embryological development?

400

This skeletal feature is unique to reptiles and mammals

What is the sternum?

500

This body cavity contains the part of your body inherited from your most recent common ancestor with Pikaia

What is the vertebral cavity?

500

The part of a long bone that includes the medullary cavity

What is the diaphysis?

500

The special names for your C1 and C2 vertebrae, respectively

What are "axis" and "atlas"?

500

The three factors that combine to cause adaptive evolution

What are variation, heritability, and competition?

500

This living fish shares the "one bone, two bones, little bones" pattern of tetrapod limbs

What is the coelacanth?