81-90 Flashcards
Physiological Adaptations
A type of adaptation that affects the function of an organism ( blood clotting).
Behavioral Adaptations
A type of adaptation that affects the behavior of an animal (migration).
Morphological Adaptations
A type of adaptation that affects the structure of an organism (web feet).
Fossil
The preserved remains of ancient organisms.
Fossil record
A collection of preserved organisms or their traces stored in Earth.
Radioactive dating
The method of calculating the absolute ages of rocks and minerals that contain radioactive isotopes.
Biological Diversity
The variety of organisms in the biosphere.
Ecology
The scientific study of interactions among organisms and between organisms and their environment.
Biosphere
The portion of the planet in which all life exist.
Species
A group of organisms so similar to one another that they can breed and produce fertile offspring.