Biology Semester 2

A characteristic that improves an individual's ability to survive and reproduce in a particular environment.

Body parts that share a common function, but not structure; similarities among unrelated species that result from convergent evolution

Geographic distribution of species

basic structural and functional unit of all organisms

A diagram that is based on patterns of shared, derived traits and that shows the evolutionary relationships between groups of organisms

principle that all living things were derived from common ancestors

principle that each living species has descended, with changes, from other species over time

A complex molecule containing the genetic information that makes up the chromosomes.

A taxonomic category above the kingdom level (Archaea, Bacteria, and Eukarya)

A characteristic in which an allele that expresses its phenotype even in the presence of a recessive allele

A cell characterized by the presence of a nucleus and other membrane-bound organelles

Change in a kind of organism over time; process by which modern organisms have descended from ancient organisms.

The disappearance of all members of a species from Earth

Ability of an organism to survive and reproduce in its environment

The preserved remains or traces of organisms that once lived on Earth.