skeletal system
what are the five functions of the skeletal system?
1.give the body shape 2.support 3. protect 4. movement 5. red blood cell formation
the study of the structures that make up the human body and how those structures relate to each other
human anatomy
the action of rotating around an axis or center
rotation
similar structure among different species from a common ancestor
homology
lakes, ponds, and rivers are what kind of ecosystem
freshwater ecosystem
howmany bones does an adult human have?
206
the action of rotating around an axis or center
rotation
the study of the human structures that make up the human body and how those structures relate to each other
human anatomy
organism in its early stage of development
embryos
treeless plains that are the coldest of all the biomes ; ccur in the arctic and antarctica
tundra
What structures make up the skeletal system?
joints, ligaments and cartilage
type of bone that largely protects underlying organs and provides areas for muscle attachment
flat bone
type of bone that has proximal and distal enlargements (e.x femur)
long bone
a group of organisms share common descent if they have a common ancestor thus all living organism on earth are descended from a common ancestor
common ancestry
biome near the equator with warm climate wet weather and the lush plant growth
tropical forest
what is the bone called in the upper arm?
humorous
lizard, crocodile, snake, turtle
reptile examples
type of bone that largely protects underlying organs and provides areas for muscle attachments
flat bone
proposed the scientific theory that this branching pattern of evolution resulted from a process that he called natural selection
charles darwin
the biome characterized by warmer temperatures than the boreal forest and plant of precipitation thats huge forests of broadleaf trees
temperate deciduous forest
How many bones make up the skull?
28
land, water, air, all over earth
birds habitat
give it its individually and provides protection for the eyes and air passages, as well as allow chewing
skull
change in a kind of organism over time; process by which modern organisms have descended from ancient organisms (descent with modification )
evolution
a grassy plain in tropical and subtropical regions, with few trees
savanna