Evolutionary Relationships Answers

Which best describes derived characteristics?

Which of the following are Phylogenetic trees also know as ?

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

Consider the cladogram.According to the cladogram, which organisms have roundworms as a common ancestor?

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

In a cladogram, what occurs at a node?

Protists are a group of organisms that are characterized as eukaryotes (they have cells with nuclei) that are neither plants nor animals nor fungi. They are very diverse, and there are many hypotheses about their classification. The cladogram for protists is constantly changing and, sometimes, there are opposite hypotheses that both have data to support them. What is the implication of a changing hypothesis?

Consider the phylogenetic tree of Old World primates.According to the tree, which primates share the most recent common ancestor with humans?

Which describes the modern classification system?

Why was modern classification invented?