Exam 23: Understanding Diversity: Systematics

MATCHING Choose the best match for the definiton. a.arranging organisms into groups based on similarities that show evolutionary relationshops d.evolutionary ancestor of a group of organisms from a common ancestor b.the scientific study of the diversity of organisms and their evolutionary relationships e.group of organisms with a common ancestor c.the science of naming, describing and classifying organisms -classification

Early biologists classified living things into two kingdoms.Many biologists today recognize __________ kingdom(s).

Humans, as well as other mammals ranging from mice to elephants, have hair.Hair, then, would be considered to be:

MATCHING Choose the best match for the definiton. a.arranging organisms into groups based on similarities that show evolutionary relationshops d.evolutionary ancestor of a group of organisms from a common ancestor b.the scientific study of the diversity of organisms and their evolutionary relationships e.group of organisms with a common ancestor c.the science of naming, describing and classifying organisms -phylogeny

Which of the following is an example of how "maximum likelihood" is used by systematists.

Figure 23-1 Use the figure to answer the corresponding question(s). -The taxonomic grouping that would represent the next highest (more inclusive) level above that represented in Figure 23-1 is:

Which of the following does NOT describe members of the Kingdom Fungi?

Figure 23-2 Use the figure to answer the corresponding question(s). -The phenetic system is based primarily on:

A cladist would attempt to classify organisms into __________ taxa.

A taxon that includes all the descendants of an ancestor is called:

An example of homologous structures is the wing of a bat and:

Mammalia is a class the contains many phyla. _____________________

Zea mays is the scientific name of the corn plant.Zea is the __________ name.

Sea snakes, which are reptiles, are similar in body form to eels, which are fish.Sea snakes and eels therefore demonstrate.

A(n) __________ character is a trait that has evolved relatively recently.

MATCHING Choose the best match for the definiton. a.arranging organisms into groups based on similarities that show evolutionary relationshops d.evolutionary ancestor of a group of organisms from a common ancestor b.the scientific study of the diversity of organisms and their evolutionary relationships e.group of organisms with a common ancestor c.the science of naming, describing and classifying organisms -taxonomy

Figure 23-2 Use the figure to answer the corresponding question(s). -Shared homologous structures would indicate that two taxa are:

Systematists use phylogenetic trees to graphically represent hypothesized evolutionary relationships among organisms. _____________________

__________ developed the binomial system of nomenclature.

An example of homoplastic structures is the wing of a butterfly and: