B.9a Evidence of Common Ancestry

Front

What is the term for a group of body structures that are similar in different species due to those species' common ancestry?

Back

Anatomical homology

Front

The study of the distribution of species on Earth in the past and present is known as ____.

Back

Biogeography

Front

A diagram based on patterns of shared characteristics used to predict the sequence of evolutionary events among different species is called a ____.

Back

Cladogram

Front

The idea that similar species descend from the same original species is known as ____.

Back

Common ancestry

Front

What is the term for a group of similarities in the structures of embryos across different species due to those species' common ancestry?

Back

Developmental homology

Front

An unborn human or animal in the early stages of development is called a(n) ____.

Back

Embryo

Front

A collection of remains of organisms preserved in sedimentary rock that has been arranged chronologically is known as ____.

Back

Fossil record

Front

What is the term for a group of structures in two or more species that have anatomical similarities but different functions?

Back

Homologous structures

Front

A group of similarities in DNA, RNA, or amino acid sequences across species is referred to as ____.

Back

Molecular homology

Front

A large diagram representing the proposed evolution and relatedness of species is called a ____.

Back

Phylogenetic tree