Science Quiz 1

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What are the three domains that are being used today

1. Eukarya 2. Eubacteria 3. Archaea

Aristole's system was used for more than

1500 years

Who was the most important naturalist that gave a hierarchy of classification to all organisms

2.LINNEEAUS'S

The prokaryotes that live in extreme environments are classified in the kingdom

Archaebacteria

A prokaryote whose cell walls contain peptidoglycam belongs to the domain

Bacteria

Unicellular organisms sometimes found in hot springs are part of the domain

Bacteria

In ___________________, each species is assigned a two-part scientific name

Binomial Nomenclature

the kingdom Protista contains

Both single-celled and multi-celled organisms

The genus name begins with a _________ letter, and the species name with a __________ letter

Captial and Lowercase

Modern taxonmists study chromosome structure, reproductive potential, biochemical similarities, and ____________ to determine relationships among organisms

DNA

Cladogram

Diagram that shows the evolutionary relationships among a group of organisms

The unicellular prokaryotes that make up the domain Bacteria are also classified in the kingdom

Eubacteria

What are the six kingdoms?

Eubacteria, Archaebacteria, Protista, Fungi, Plantae, Animalia

Mushrooms belong to the kingdom

Fungi

List the seven classification categories in order from the largest to smallest

Kingdom, Phylum, class, order, family, genus, and species

Which of the following is not studied to determine relationships among organisms A. Biochemical similarities B. Reproductive Potential C. Homologous Structures D. Life Span

Life Span

A Swedish botanist named _________ developed a new classification system that revolutionized taxonomy

Linneeus's

Organisms without nuclei are part of the kingdom

Monera

The organisms found in the kingdoms Animalia are

Multicellular Heterotrophs

In the discipline known as _______________, biologists assign each kind of organism a universally accepted name

Taxonomy

The science of taxonomy groups organisms on the basis of their similarities is it true or false

True

All plants are

autotrophs

An organism is often known primarily by its

common name

Characteristics that appear in recent parts of a lineage but not in its older members are called

derived characters

the group of organisms that can be larger than a kingdom is called a

domain

The method of grouping organisms into categories that represents lines of evolutionary descent is called

evolutionary classification

Binomial nomenclature is the system of giving an organism a two-word scientific name in

latin

What is used to estimate the length of time that two species have been evolving independently

molecular clock

Comparison of DNA to determine how long different species have been evolving independently can be done using

molecular clocks

The next smaller division after class in the classification system is

order

the kingdom Plantae contains primarily

photosynthetic autotrophs

Aristotle divided living things into two groups

plants and animals

The domain Eukarya includes the kingdoms

protista, Plantae, Fungi, and Animalia

When two varieties are separated geographically from each other, many taxonomists prefer them to call them

separate species

In taxonomy, each level of classification is referred to as a __________

taxonomic

Into how many domains are organisms divided

three

Aristotle's classification system contained

two kingdoms


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