In cladistics, the clade is a hypothetical construct based on experimental data.    From Wordnik.com.  [About 'What Darwin Got Wrong'] Reference

By definition, a clade is a group composed of a single ancestor and all its descendants.    From Wordnik.com.  [A New Book] Reference

A clade is a common ancestor and all its descendents.    From Wordnik.com.  [A Disclaimer for Behe?] Reference

A clade is an ancestor species and all of its descendants.    From Wordnik.com.  [A Disclaimer for Behe?] Reference

A clade is defined as an organism and all its descendents.    From Wordnik.com.  [A New Book] Reference

Then you should simply say "a clade is defined by descent.".    From Wordnik.com.  [A New Book] Reference

Zachriel: A clade is defined as an organism and all its descendents.    From Wordnik.com.  [A New Book] Reference

The seriema-hoatzin clade was closely allied with a cuckoo-turaco clade.    From Wordnik.com.  [Goodbye, my giant predatory, cursorial, flightless hoatzin] Reference

It clearly states a clade is defined by ancestry and forms a nested hierarchy.    From Wordnik.com.  [A New Book] Reference

A clade is defined as a set that includes the ancestor and all its descendents.    From Wordnik.com.  [About 'What Darwin Got Wrong'] Reference

A clade is a group, consisting of a single organism and all of its descendants.    From Wordnik.com.  [A Disclaimer for Behe?] Reference

A clade is a nested hierarchy based on shared characteristics with ancestry being assumed.    From Wordnik.com.  [About 'What Darwin Got Wrong'] Reference

A UK activist clade is taking on the insidious digital fruit machine (AKA, "slot machine").    From Wordnik.com.  [Boing Boing: June 1, 2003 - June 7, 2003 Archives] Reference

We may support a proposed clade by referring to characteristics, but the clade is defined in terms of ancestry.    From Wordnik.com.  [A New Book] Reference

A clade is a grouping that includes a common ancestor and all the descendents (living and extinct) of that ancestor.    From Wordnik.com.  [A New Book] Reference

The team looked specifically at gp120 from what is known as clade C HIV-1.    From Wordnik.com.  [PhysOrg.com - latest science and technology news stories] Reference

And yes a clade is a set.    From Wordnik.com.  [A Disclaimer for Behe?] Reference

A clade is based on descent.    From Wordnik.com.  [A New Book] Reference

A clade is a nested hierarchy.    From Wordnik.com.  [A New Book] Reference

I know how a clade is defined.    From Wordnik.com.  [A New Book] Reference

A clade is defined by descent.    From Wordnik.com.  [A New Book] Reference

Zachriel: A clade is based on descent.    From Wordnik.com.  [A New Book] Reference

ID guy: I know how a clade is defined.    From Wordnik.com.  [A New Book] Reference

Zachriel: A clade is a nested hierarchy.    From Wordnik.com.  [A New Book] Reference

But a clade is defined in terms of ancestry.    From Wordnik.com.  [A New Book] Reference

I provided a link to the definition of "clade" above.    From Wordnik.com.  [A Disclaimer for Behe?] Reference

ID guy: I provided a link to the definition of "clade" above.    From Wordnik.com.  [A Disclaimer for Behe?] Reference

You're still using too many big words (ie 'clade').    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

All descendants of a given organism are called a clade.    From Wordnik.com.  [cladistics] Reference

So after all that, rabbits really do seem to be part of a clade that is closest to rodents.    From Wordnik.com.  [Archive 2006-05-01] Reference

Common traits and shared genetics are tools that help biologists build the clade systematics.    From Wordnik.com.  [About 'What Darwin Got Wrong'] Reference

Mammals are the only surviving members of a far larger and more diverse tetrapod clade, Synapsida.    From Wordnik.com.  [Archive 2006-05-01] Reference