Phylogenetic TreesHow to read a tree, and the mistakes readers make.BiologyThe vocabulary of a phylogeny.TermMeansNodeA common ancestorBranchA lineage over timeCladeAn ancestor and all its descendantsSister taxaSharing the most recent common ancestorOutgroupA distant relative, to root the treePolytomyUnresolved branching orderTips can be rotated at any node without changing meaning. Two tipsdrawn adjacent may be distantly related.Phylogenetic Treeslearnposters.com
Phylogenetic Trees — printable life science wall chart from LearnPosters. Free vector PDF, US Letter and A4.

What’s on the Phylogenetic Trees poster

A 6-row table: Term · Means.

The vocabulary of a phylogeny.

Tips can be rotated at any node without changing meaning. Two tips drawn adjacent may be distantly related.

Questions about the Phylogenetic Trees poster

What’s on the Phylogenetic Trees poster?
A 6-row table: Term · Means. The vocabulary of a phylogeny. Node — A common ancestor; Branch — A lineage over time; Clade — An ancestor and all its descendants; Sister taxa — Sharing the most recent common ancestor; Outgroup — A distant relative, to root the tree; Polytomy — Unresolved branching order. Tips can be rotated at any node without changing meaning. Two tips drawn adjacent may be distantly related.
Who is the Phylogenetic Trees poster for?
Phylogenetic Trees belongs to the Biology section rather than to a school year, because life science is not something one grade owns. Anyone learning evolution can pin it up — a beginner, a student mid-course, or someone revising years later.
When should you use the Phylogenetic Trees poster?
Closeness on the page is not relatedness. Only the branching points matter. A wall chart earns its place by being glanceable from where the work is happening, so Phylogenetic Trees belongs on the wall where that life science work actually happens, within glancing distance, rather than filed away.
What other posters go with Phylogenetic Trees?
Adaptations, Artificial Selection and Classification sit alongside Phylogenetic Trees in the Biology section. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.AdaptationsArtificial SelectionClassification
Is the Phylogenetic Trees poster free to download and print?
Yes. Phylogenetic Trees downloads as a free PDF with no account, no email and no watermark, like everything else in the Biology section. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
What size does the Phylogenetic Trees poster print at?
Phylogenetic Trees is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Phylogenetic Trees loses nothing.Printing guide

Related posters

Charts that sit alongside Phylogenetic Trees on the same wall.

Browse every Biology poster, or start from the full catalogue.