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20 Soups Part 2 > Zoo Chapters 3-4 > Flashcards

Zoo Chapters 3-4 Flashcards

1
Q

Any plane passing through the center of the body divides it into two mirrored equivalent halves

A

Spherical Symmetry

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2
Q

can be divided into similar halves by more than two planes passing through one main axis

A

radial symmetry

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3
Q

can be divided along one plane into two mirrored right/left halves

A

bilateral symmetry

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4
Q

circular body plan that can be divided into 5 equal parts

A

pentardial symmetry

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5
Q

false body cavity. There is a cavity but its not lined with mesoderm

A

pseudocoelomate bilateria

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6
Q

animal whos anus is formed from the blastosphere of a blastula

A

Deuterostome

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7
Q

the third gem layer, formed in the gastrula between ectoderm and endoderm. Gives rise to connective tissues , muscle, urogenital and vascular systems, and the peritoneum.

A

Mesoderm

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8
Q

Mesoderm buds from archenteron forms cavity

A

Entercocoelous

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9
Q

repeating segments

A

Metamerism

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10
Q

Front

A

anterior

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11
Q

back

A

posterior

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12
Q

pertaining to the back, back area

A

dorsal

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13
Q

body

A

ventral

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14
Q

midline

A

medial

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15
Q

away from the midline

A

lateral

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16
Q

nearer to the origin of the body part of a limb to the body trunk

A

Proximal

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17
Q

combination of radial and bilateral symmetry. Each 4 sides are identical to the opposite side but different from the adjacent side.

A

Biradial symmetry

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18
Q

pertaining to any part of a structure farthest from midline of the body or base of attachment

A

distal

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19
Q

pertaining to the breast or chest

A

pectoral

20
Q

pertaining to the pelvis

A

pelvic

21
Q

divided into dorsal/ventral halves

A

saggital plane

22
Q

characteristics that arose later in the group. Characteristics that are usually a result of evolution by Natural Selection.

A

Derived character

23
Q

the grouping of organisms based on the presence of physical features called characters

A

cladistics

24
Q

a branching diagram that represents organsims in terms of nested hierarchies of clades within clades

A

cladogram

25
Q

kingdom, phylum, class, order, family, genus, speces

A

hierarchial categories

26
Q

created taxonomy

A

Linneaus

27
Q

The body cavity in triploblastic animals, lined with mesodermal peritoneum

A

coelom

28
Q

without a coelom

A

Acoelomate (flatworms)

29
Q

innermost gem layer of an embryo, forming the primitive gut; also may refer to tissues derived from endoderm

A

endoderm

30
Q

a member of the group prostomia

A

protostome

31
Q

characteristics that were present in common ancestor

A

ancestral characters

32
Q

group of organisms species that share derived characters

A

clade

33
Q

having a distinct fixed set of features or characteristics usually has a type of specimen identified that represents the ideal morphology for the species. Serves as a guide to general morphologies one might expect in that species

A

typological species concept

34
Q

includes the most recent common ancestor of the group and some, but not all descendants of that ancestor

A

Paraphyletic

35
Q

does not include the most recent ancestor of all member of a group. Has to include at least two seperate evolutionary origins

A

polyphyletic

36
Q

species that has vast geographic ranges or world wide distribution. ex. orcas in every ocean

A

cosmopolitan

37
Q

species with very restricted geographies distrubutions. Fnches, long toed salmander,

A

endemic

38
Q

hierarchical system with major categories, errands into taxonomies ranks with nclusiveness into previous group

A

taxa (taxon)

39
Q

2 words naming system, (Latin or Greek) 1st letter is capital. Written in italic

A

Binomial Nomenclature

40
Q

the evolutionary process by which specialization became localized in the head end of animals.

A

Cephalization

41
Q

a diagram whose brances represent evolutionary lineages, depicts the common descent of species or higher taxa

A

phylogenetic tree

42
Q

ordering of species into a series of increasngly more inclusive clades according to the taxonomic distribution of synapomorphies

A

Nested Hierarchy

43
Q

organism or species that has the fewest of the derived characters

A

outgroup

44
Q

includes the most recent common ancestor of the goup and all of the descendants of that ancestor

A

Monophyletic

45
Q

the relationship between a pair of species or higher taxa that are each others closet phylogenetic relatives

A

sister group (sister Taxon)

46
Q

a reproductive community of populations (reproductively isolated form others) that occupies a specific niche in nature

A

biological species concept

47
Q

True coelom, forms within the mesoderm and is completely lines with mesoderm

A

Eucoelomate Bilateria

20 Soups Part 2 (5 decks)

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