What is the shared derived character of all hominins?

Some characteristics that have distinguished hominins from other primates, living and extinct, are their erect posture, bipedal locomotion, larger brains, and behavioral characteristics such as specialized tool use and, in some cases, communication through language.

What is a derived character from a human?

A derived character (= apomorphy)is one that is modified compared to its original, ancestral form. Example: the modified shapes of various vertebrate tails. An example: The loss of the external tail in great apes (including humans).

What is shared primitive character?

Shared primitive characters – A character, shared by members of a particular clade, that originated in an ancestor that is not a member of that clade. Shared derived characters – An evolutionary novelty that is unique to a particular clade.

What is a derived trait found in Ardipithecus ramidus?

upper canines are shaped like diamonds, rather than the pointed shape seen in African apes, whch is a derived feature shared with Australopithecus afarensis .

What does derived trait mean?

Derived traits are those that just appeared (by mutation) in the most recent ancestor — the one that gave rise to a newly formed branch. Of course, what’s primitive or derived is relative to what branch an organism is on.

What must be true of organisms that have the most shared derived characters?

What must be true of organisms that have the most shared derived characters? They are the most evolved. The last common ancestor shared by two or more organisms. What is taxonomy?

What is a shared derived character called?

A clade is a group of related organisms that all have a shared derived trait or shared derived traits. Examples of a clade would be like for example mammals.

What is a shared derived character state?

An ancestral character is shared with the species ancestral to more than one group: it can lead to different groups being classified together. A shared derived character is shared by the ancestral species and a single group: it is the only reliable guide to inferring phylogeny.