1- Body Systems
Amount of bones the average adult human has.
206
Carries blood AWAY from the heart.
Artery
Scientific study of heredity.
Genetics
An inherited trait that helps an organism survive
Adaptation
Number of muscles the average adult human has
639
Strong connective tissues that hold together the bones in a joint.
Ligament
Known as the voice box.
Larynx
Always expressed when present.
Dominant
Organisms with favorable traits produce more successful offspring than organisms with less favorable traits, causing the favorable traits to become more common in the population.
Natural Selection
Largest taxonomic category- only 3
Domain
Muscle found in internal organs of the body.
Smooth Muscle
Muscle that allows the lungs to expand and move.
Diaphragm
Observable characteristics of an organism (Looks)
Phenotype
An adaptation in which an organism does something to help survival chances.
Behavioral Adaptation
Smallest taxonomic category- most specific
Species
Outermost layer of the skin.
Epidermis
Neurons found in the muscles
Motor neurons
Two of the same alleles (BB or bb)
Homozygous
Characteristic observed by Darwin and changed over time in the Galapagos Finches
Beak shape
System that produces hormones
Endocrine
Muscular tube that connects mouth to stomach.
Esophagus
Where vitamin K and water are absorbed.
Large intestines
An offspring resulting from the cross of two different species or subspecies
Organisms that changed over time to be a darker color to blend in with the polluted and dark trees.
Peppered Moths
Any chemical messenger that help regulate body functions.
Hormones