Mix of 4.2 and 4.3 Vocabulary Flashcards
What are Analogous Structures?
Body parts in different species that have similar functions but evolved separately.
What is Biogeography?
The study of the past and present geographical distribution of species.
What is Embryology?
The study of similar features in embryos and evolutionary relationships that may exist.
What are Fossils?
The remains of past life found in sedimentary rock.
What are Homologous Structures?
Body parts in different species that have the same evolutionary origins and structural elements but may have different functions.
What is a Hypothesis?
A statement that provides one possible answer to a question or one possible explanation for an observation.
What does Inheritance of Acquired Characteristics mean?
A theory that characteristics acquired during an organism’s lifetime could be passed to its offspring.
What does Strata mean?
A layer of rock or soil that has a consistent character and is different from layers above and below it.
What does Transitional Fossil mean?
The remains or impression of a prehistoric organism that shows intermediary links between groups of organisms and shares characteristics common to these groups.
What does Gradualism mean?
The theory that evolution occurs slowly and steadily in a linear fashion.
What does Punctuated Equilibrium mean?
The theory that suggests that evolutionary history consists of long periods of stasis (stable equilibrium), punctuated by periods of divergence.
