Exam 24: Systematic Biology: Phylogeny and Classification

With the cladistic method, biologists construct phylogenetic trees and classifications by grouping together only those species that share ancestral character states. ​

Which domain(s)consist of prokaryotic organisms? ​

Behavioral traits are useful in differentiating species because behaviors ____.

Which list of taxonomic levels is in the correct order, from most inclusive to least inclusive?

The movement of genetic material between organisms by any mechanism other than descent is known as ____.

Influencing the philosophy and analysis of many systematists in the mid-1900s, ____ published " Phylogenetic Systematics ," arguing that classifications should be based solely on evolutionary relationships.

The principle of parsimony ____ for constructing the phylogenetic tree that represents the smallest number of evolutionary changes. ​

Currently, taxonomic domains include ____. ​

According to the convention for properly writing Latin binomials, the scientific name for modern human beings should be written as ____. ​

A diagram that hypothesizes the evolutionary relationships between a set of organisms is a ____ tree. ​

A group that contains species from separate evolutionary lineages is considered ____. ​

The external morphological traits of two North American species of tree frog ( Hyla versicolor and H . chrysoscelis )are very similar; therefore, scientists use ____ to distinguish them.

The systematics of today is very different from the systematics learned a generation ago. As a result, which statements is the least accurate? ​

On which continent are introduced mosquito species absent?

To account for variations in the evolutionary rates at different genetic loci, the ____ compares alternative trees reflecting differentrates of evolutionary change tto identify the best evolutionary path. ​