- The antennae of male moths can only detect sex pheromones released by a female in his species. This reproductive barrier is:
- (True/False) systematists can never be sure of finding the best tree in a large data set
- Longer branches of the phylogenetic tree indicates
- (True/False) systematists narrow the possibilities of the best tree in a large data set by applying principles of max parsimony and lineage
- In other phylogenetic trees, branch length can be proportional to _____, and branching points can be determined from the _____
- fossil record supports that dinosaurs participated in _____, linking them to birds and crocodiles
- phylogenetic bracketing _____(allows/doesn't allow) us to predict features of an ancestor from features of its descendants
- Characteristics between the branch points of a cladogram that are shared by all organisms above the branch point and are not present in any below it are called A. homologousB. adaptiveC. convergentD. derivedE. ancestral
- Characters shared by the outgroup and ingroup are _____(ancestral/derived) characters that predate the divergence of _____(the out-group/the in-group/both groups) from a common ancestor
- the evolutionary history of a group of organisms can be represented in a
- phylogenetic trees show patterns of _____ (descent/phenotypic similarity), not _____(descent/phenotypic similarity)
- changing the orientation of a phylogenetic tree _____(does/doesn't) change the relationship between groups
- an order of snails have _____(more/less) genetic diversity than an order of mammals
- clades can be nested in _____(smaller/larger) clades, but not all groupings of organisms qualify as clades
- a character _____(can/cannot) be both ancestral and derived
- Phenotypic and genetic similarities due to shared ancestry are called
- the broader taxa _____(are/aren't) comparable between groups
- organisms with similar morphologies or DNA sequences are like to be _____(more/less) closely related than organisms with different structures or sequences
- classifies organisms and determines their evolutionary relationships
- A phylogeny shows that legless lizards and snakes evolved from different lineages of what?