Evolutionary Relationships Answers

In a cladogram, what occurs at a node?

Julia is trying to place a duckbilled platypus, lizard, bear, and monkey on a phylogenetic tree. She learns that the duckbilled platypus, bear, and monkey are classified as mammals. She also learns that mammals share a common ancestor with reptiles. Which additional piece of information will be most helpful to Julia to properly build her phylogenetic tree?

Consider the cladogram.Which group of organisms has the derived characteristics of true tissues, bilateral symmetry, and a pseudocoelom?

If two organisms are in the same clade, what can you predict about their relationship?

Which describes the modern classification system?

A scientist is trying to determine how closely related a moth species (Species Z) is to four other moth species (Species A, B, C, and D). He examined the DNA of each species and compared it to the study subject. He then created this table.Species# of genetic differences Species A12Species B3Species C14Species D28Which species is most closely related to the moth species (Species Z)?

Consider the diagram.Josiah says this is a phylogenetic tree of the dinosaurs. Maleek says it is a cladogram of the dinosaurs. Who is correct?

According to the cladogram, which organisms are in the smallest clade with birds?

Why was modern classification invented?

Which best describes derived characteristics?