Taxonomy is defined as the science of

a. classifying plants according to their uses in agricultural experiments

b. studying ribosomal RNA sequencing techniques

c. grouping organisms according to their characteristics and evolutionary history

d. studying reproductive mechanisms and gene flow

As we move through the biological hierarchy from the kingdom to species level, organisms

a. vary more and more

b. are less and less related to eachother

c. become more similar in appearance

d. always are members of the same order

A mushroom is difficult to classify in Linnaus's two kingdowm classification system because

a. it has another common name- the toadstool

b. it doesn't seem to fit into either kingdom

c. mushrooms had not yet evolved in Linnaus's time.

d. all of the above

Which of the following was not a consideration for Carolus Linnaeus when he developed his system of nomenclature of organisms?

a. it should include detailed descriptions of an organisms in its name

b. it should assign each organism a unique name

c. it should assign names in a language recognised worldwide

d. it should enable scientists to classify organisms according to their presumed evolutionary relationships to other organisms.

Which of the following scientists developed the system of classifying organisms by assigning them a genus and species name?

a. Leakey

b. Aristotle

c. Darwin

d. Linnaeus

The organsim Quercus phellos is a member of the genus

a. plantae

b. phellos

c. quercus

d. protista

Poison ivy is also known as Rhus toxicodendron. its species identifier is

a. poison

b. rhus

c. ivy

d. toxicodendron

The red mape lis also known as acer rubrum. its scientific name is

a. red maple

b. acer

c. rubrum

d. acer rubrum

The scientific name of an organism

a. varies according to the native language of scientists

b. is the same for scientists all over the world

c. may refer to more than one species

d. may have more than one genus name

Scientists don't use the common names of organisms because

a. an organism may have more than one common name

b. common names are too ambiguous

c. an organism rarely has the same name in different languages

d. all of the above

An organism can have

a. one genus name and one species identifier

b. one genus name and two species identifiers

c. two scientific names if it is found on different continents

d. two genus names but only one genus identifier

Two organisms in the same class but different orders

a. are in different kingdoms

b. have the same genus name

c. are in the same phylum

d. are members of the same species

organisms in different genera

a. may share the second word of their scientific names

b. may be in the same family

c. may be in different orders

d. all of the above

Two organisms in the same order but different families may

a. be more similar than two organisms in different classes

b. be in the same class

c. have the same species identifier

d. all of the above

Kingdoms are divided into phyla and each phylum is divided into

a. families

b. classes

c. orders

d. genera

THe correct order of the biological hierarchy from kingdom to species is

a. kingdom, class, family, order, phylum, genus and species

b. kingdom, phylum, order, family, class, genus, species

c. kingdom, phylum, class, orger, family, genus, species

d. kingdom, class, order, phylum, family, genus, species

c. kingdom, phylum, class, orger, family, genus, species

{kings play chess on fine green silk}

The lowest hierarchy level in biological classification is the

a. genus

b. species

c. family

d. order

which of the following is the least inclusive in the classification group?

a. class

b. genus

c. phylum

d. species

quercus rubra: quercus phellos::

a. anolis carolinensis: parus carolinensis

b. erithacus rubicula: turdus mirgatoria

c. aphis pomi: aphis gossypii

d. carp: goldfish

class: family::

a. order: phylum

b. genus: class

c. species: genus

d. phylum: order

today, biologists classify organisms by their

a. physical similarities

b. chemical similarites

c. behavioral similarities

d. all of the above

phylogenetic trees depict

a. known evolutionary relationships between organisms

b. presumed evolutionary relationships based on physical features only

c. only living organisms

d. presumed evolutionary relationships based on a variety of types of evidence

The DNA sequences of two species of sharks would

a. be more similar than the DNA sequences of a shark and dolphin

b. show no discernible differences

c. be very close to the DNA sequences of a dolphin

d. indicate how the sharks evolved

Which of the following is/are used in systematic taxonomy to classify organisms

a. patterns of embryological development

b. homologous features

c. amino acid sequences of proteins

d. all of the above

A branching diagram used for taxonomy is called a

a. phenetic tree

b. cladogram

c. family tree

d. homology

Nearly all single celled eukaryotes that are either heterotrophic or photosynthetic belong to the kingdom

a. animalia

b. fungi

c. plantae

d. protista

most multicellular, nucleated autotrophs that carry on photosynthesis belong to the kingdom

a. animalia

b. eubacteria

c. fungi

d. plantae

multicellular, nucleated heterotrophs that always obtain food by absorbin nutrients from the environment belong to the kingdom

a. animalia

b. eubacteria

c. fungi

d. plantae

an organism that breaks down organic matter, which it then absorbs, is in the kingdom

a. fungi

b. plantae

c. animalia

d. protista

simple, non nucleated organisms that use hydrogen to produce methane are in the domain

a. archaea

b. bacteria

c. eukarya

d. none of the above

the kingdom defined as including any eukaryotes that aren't plants animals or fungi is the kingdom

a. protista

b. plantae

c. animalia

d. fungi

carl woese proposed the three domain system of classification based on the examination of

a. embryos

b. fossils

c. ribosomal RNA

d. organism's physical features

the three domain system of classification is based on similarities and differences in ___, while the six kingdom system is based on similarities and differences in ___.

a. DNA; DNA, fossils, embryological development, and physical features

b. DNA; embyrological development, fossils, physical features and RNA

c. ribosomal RNA; embryological development, fossils, physical features, and various molecular structures

d. physical features; embryological development, fossils, physical features, and various molecular structures