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BIO 2130 > Chapter 27 > Flashcards

Chapter 27 Flashcards

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Biology 101 flashcards
1
Q

What defines an animal

A

Multicellularity, Heterotrophy, and Motility

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2
Q

Orginization of like mnemonic

A

King Philip Came Over For Good Spaghetti

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3
Q

Radial Symmetry Exmaple

A

Jellyfish

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4
Q

Bilaterial symmetry example

A

Butter fly

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5
Q

Choanoflagellates

A

Closest related relatives to sponges which is considered the first animal

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6
Q

Ctenophores

A

More known as jellyfish

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7
Q

Protosomes

A

Mouth before anus, “first mouth”

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8
Q

Lophotrochozoans

A

mollusks, flatworms, ring strucutres

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9
Q

Ecdysozoans

A

arthropods; shed to grow

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10
Q

Deutrostomes

A

Develop anus before mouth; echinoderms and chordates

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11
Q

.

A

.

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12
Q

.

A

.

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13
Q

.

A

.

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14
Q

Diploblasts

A

2 embyronic tissues (Ectoderm, Endoderm)

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15
Q

Triploblasts

A

3 embyronic tissues (Ectoderm, Endoderm, Mesoderm)

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16
Q

Ectoderm

A

Skin, nervous system

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17
Q

Endoderm

A

Digestive tract

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18
Q

Mesoderm

A

Circulatory, muscles, structures

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19
Q

Non-living layer

A

Only in diploblastic species

20
Q

Coelom

A

A part of the embryo that is responsible for developing body cavities

21
Q

3 types of coelom presence in embryos

A

Acoelomate, Eucoelomate, Pseudocoelmate

22
Q

Acoelomate

A

No coelm, flatworms

23
Q

Eucoelomate

A

Body cavities, arthropods

24
Q

Coelom

A

A part of the embryo that is responsible for developing body cavities. A fuild filled cavity between tubes

25
Q

Homeotic genes

A

A catch all term for genes that do cool thnags

26
Q

Things that homeotic genes do

A

Specilization of cell type
Regulation of growth
Adhesion to other cells
Recognition of harmful things (immunity)
Developmental signaling
Apoptosis

27
Q

Hoxgenes

A

Regulate development of anterior-posterior axis, cause biliteracy

28
Q

How did the nervous system develop?

A

The nervous system develop because processing outside stimuli and reacting to them present an evolutionary advantage.

29
Q

What doesn’t have nerve cells

A

Sponges

30
Q

Tyoes of nervous systems

A

Nerve nets, central nervous systems

31
Q

ganglia

A

Nerve clusters found in central nervous system

32
Q

Cnidarians and Ctenophores have what nervous system

A

Nerve net

33
Q

Cnidarians

A

sea annemoies

34
Q

Cerebral ganglion

A

Science term for brain

35
Q

Cephalization

A

the evolution of the head

36
Q

Why did organisms Cephalize

A

Same reasons why nervous system develop, better than nerve nets

37
Q

4 stratgies for feeding

A

Suspension, Deposit feeding, Fluid feeding, Mass feeding

38
Q

Suspension feeding

A

Filters food from water/air

39
Q

Deposit feeding

A

digests organic matter in sediments

40
Q

Segmentation

A

divison of body into similar structures

41
Q

How hox genes affect segmentation

A

changes in hox genes can produce novel #s, shapes and sizes

42
Q

Vertebrates v Invertebrates

A

Segmentation by back bone v. Conspicous segmentation

43
Q

3 Types of reproduction

A

Asexual reproduction, Internal fertilization, External reproduction

44
Q

Types of embryonic development in internal fertilization

A

viviparous, oviparous, ovoviviparous

45
Q

viviparous

A

live birth (humans)

46
Q

oviparous

A

Egg brith (chicken)

BIO 2130 (14 decks)

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