Biology Vocabulary- Chapter 18

Front 1

Binomial nomenclature (339)

Back 1

A system of naming organisms that uses the genus name and a species identifier

Front 2

Class (338)

Back 2

A group of related orders

Front 3

Division (338)

Back 3

A group of similar classes of plants

Front 4

Family (338)

Back 4

A group of related genera

Front 5

Genus (338)

Back 5

A group of similar species

Front 6

Kingdom (338)

Back 6

A group of similar phyla or divisions

Front 7

Order (338)

Back 7

A group of similar families

Front 8

Phylogeny (339)

Back 8

The evolutionary history of a species or taxonomic group

Front 9

Phylum (338)

Back 9

A group of similar classes

Front 10

Species (338)

Back 10

A group of organisms of a single type that are capable of producing fertile offspring in a natural environment

Front 11

Species Identifier (339)

Back 11

The second part of a species name

Front 12

Species name (339)

Back 12

The two-part scientific name of a species composed of the genus and the species identifier

Front 13

Subspecies (339)

Back 13

Varities of animal species that occur in different geographical areas

Front 14

Taxonomy (337)

Back 14

The science of grouping organisms according to their presumed evolutionary relationships

Front 15

Variety (339)

Back 15

A further division or subset of species

Front 16

Blastopore (344)

Back 16

A depression formed when cells of the blastula move inward

Front 17

Blastula (344)

Back 17

A hollow ball of cells formed when a zygote undergoes repeated cycles of cell division

Front 18

Cladistics (345)

Back 18

A system of phylogenetic classification using shared characters and the recency of ancestry is the sole criterion for grouping taxa

Front 19

Cladogram (346)

Back 19

Ancestry diagrams made by means of cladistic analysis

Front 20

Derived character (345)

Back 20

A feature that evolved only within the group under consideration, such as the feathers of birds

Front 21

Echinoderm (344)

Back 21

A radially symmetric marine invertebrate with an endoskeleton, a water-vascular system, and tube feet, such as a sea star, a sea urchin, or a sea cucumber

Front 22

Phylogenetic tree (342)

Back 22

A family tree that shows the evolutionary relationships thought to exist among groups of organisms

Front 23

Systematics (342)

Back 23

systematic taxonomy; taxonomic organization of living things in the context of evolution

Front 24

Domain (350)

Back 24

In the three-domain system of
classification, one of three broad groups that all living things fall into on the basis of rRNA analysis

Front 25

Domain Arachaea (350)

Back 25

Known in the six-kingdom system as kingdom Archaebacteria

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Domain Bacteria (350)

Back 26

Known in the six-kingdom system as the kingdom Eubacteria

Front 27

Domain Eukarya (350)

Back 27

Consists of the protists, the fungi, and the plants and animals

Front 28

Eubacteria (348)

Back 28

The lineage of prokaryotes that includes all contemporary bacteria except archaeabacteria

Front 29

Kingdom Animalia (349)

Back 29

Made up of eukaryotic, multicellular heterotrophic organisms

Front 30

Kingdom Archaebacteria (348)

Back 30

Unicellular prokaryotes with distinctive cell membranes as well as biochemical and genetic properties that differ from all other kinds of life

Front 31

Kingdom Eubacteria (348)

Back 31

Unicellular prokaryotes; most of the bactera that affect your life

Front 32

Kingdom Fungi (349)

Back 32

Heterotrophic unicellular and multicellular eukaryotic organisms

Front 33

Kingdom Plantae (349)

Back 33

Multicellular plants

Front 34

Kingdom Protista (348)

Back 34

A veriety of eurkaryotic, mostly single-celled organisms

Front 35

Protist (348)

Back 35

Eukaryotic, unicellular organisms including protozoans, slime molds, and certain algae