Biodiversity Exam 3

​Biodiversity Exam 3

Multiple Choice

What is the correct order of classification from broadest to more specific? (hint: choose the option that does not skip any classifications)

• Class, Phylum, genus

• Kingdom, Domain, Class

• Phylum, Class, Order

• Phylum, Kingdom, Genus

Multiple Choice

How is a species named?

• epithet, then genus

• genus, then epithet

Multiple Choice

What is a limitation of the morphological species concept?

• Different phenotypes may be present in the same species

• there are no limitations, it is the most widely accepted

• This concept is limited to living species only

Multiple Choice

What is a problem with the biological species concept?

• It can't be applied to species that live in different ranges

• It can't be applied to asexually reproducing species

• It is simply too inaccurate.

Multiple Choice

Which of these definitions of species most closely fit the biological species concept?

• Members of the same species are all morphological species.

• Members of the same species are genetically identical

• Members of the same species look almost exactly alike

• Members of the same species can mate and produce fertile offspring

Multiple Choice

A zoo wants to assist two related endangered species with their reproduction and plans to directly implant the sperm into the female. Which prezygotic barrier can NOT be overcome in this way?

• Mechanical isolation

• Ecological isolation

• Gamete mortality

• Temporal isolation

Multiple Choice

Two species of plants that do not cross-pollinate are an example of ________ isolation because they flower at different times of the year.

• spatial

• behavioral

• temporal

• mechanical

Multiple Choice

One species of sea urchin is able to mate with another, but fertilization is rarely successful. What is this an example of?

• spatial

• behavioral

• temporal

• gametic

Multiple Choice

This concept uses a common ancestor and derived traits to determine a species

• biological

• phylogenetic

• morphological

Multiple Choice

In which theory does a new species emerge from within the geographic range of its ancestor

• Allopatric speciation

• Sympatric speciation

Multiple Choice

Sympatric speciation does not relate to sexual selection

• True

• False

Multiple Select

What makes up the basic structure of a virus? (3 answers)

• pentose sugar

• capsomere

• nucleic acid

• capsid

Multiple Choice

This is an example of what capsid shape?

• icosahedral

• helical

• complex

Multiple Choice

What is the main characteristic of latent viruses

• they do not kill the host cell

• they may cause cancer

• they lay dormant for many years

Multiple Choice

Why is Stanley Miller important?

• He came up with the term "natural selection"

• He created vaccines

• He replicated "early Earth" conditions

Multiple Choice

What makes up a phospholipid?

• hydrocarbon head, phosphate tail

• hydrocarbon tail, phosphate head

• water and carbon

• sugar and car

Multiple Select

What are the three domains of life (choose 3)

• plants

• archea

• bacteria

• eukaryotes

Multiple Choice

What is true about Archaea?

• they exist in extreme conditions (ex: hydrothermal vents)

• they cannot replicate

• they reproduce sexually

​Endosymbiosis Theory:

Definition:

Evidence:​

​Endosymbiosis Theory:

Definition: Some organelles evolved from prokaryotes

Evidence:​

-Both mitochondria and chloroplasts have two outer membranes

-​Have separate DNA and rreplicate independently

Multiple Choice

What is the similarity between acritarchs and cynobacteria?

• Both are multicellular

• Both are single-celled

• They have no similariteis

Multiple Choice

Bacterial species are classified by their shape

• true

• false

Multiple Choice

What is incorrect about binary fission

• it is a form of sexual reproduction

• 2 daughter cells are formed

• exact copes of the cell's DNA are created

Multiple Select

What is true about Chytridiomycota? (more than 1 answer)

• they are aquatic

• includes Saprobes and parasites

• species have flagellated spores

Multiple Choice

Basidiomycota include________

• Plant pathogens

• Decomposers of wood and plant matter

• asexually reproducing bacteria

Multiple Choice

Molds are _________

• a scientific classification

• any asexually reproducing fungus

• a subspecies of archaea

Multiple Choice

Lichens are usually _______, but sometimes include _______

• ascomycota, basidiomycota

• yeasts, fungi

• molds, zygomycota

• chytridiomycota, saprobes

Multiple Choice

Almost all vascular plants have mycorrhizae

• true

• false