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Nots And Reminders > BIOLS232 > Flashcards

BIOLS232 Flashcards

1
Q

Animals are multicellular and called…..

A

Metaxoans

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2
Q

Animals that have no tissues…..

A

Parazoans

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3
Q

Sponges are parazoans. (true or false)

A

True

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4
Q

Have specialized tissues…….

A

Eumetazoans

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5
Q

The “Eumetazoans” are classified according to their…….

A

Body symmetry

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6
Q

What are the types of symmetry?

A

Bilateral radial

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7
Q

What type of germ layer do animals with a “radial” l symmetry?

A

Diploblastic

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8
Q

What type of germ layer do animals with a “bilatera symmetry” have?

A

Treploblastic

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9
Q

What are the three types of animal cavity?

A

Celomates - acelomates - pseudo celomates

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10
Q

Celomates animals are classified as……

A

Protostomes and deuterostomes

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11
Q

The animals are determined to be protostomes or deuterostomes according to the…. ?

A

First opening of the embryo

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12
Q

If the first opening of the embryo is the mouth we then it is…..?

A

A protostomes

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13
Q

If the first opening of the embryo is the anus we then it is…..?

A

Deuterostomes

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14
Q

Higher animals such as chordate and echinodermata are protostomes. (true or false).

A

False

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15
Q

Lower animals such as mulascas and nematoda are deuterostomes. (true or false)

A

False

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16
Q

Lower animals such as mulascas and nematoda are deuterostomes. (true or false)

A

False

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17
Q

Protostomes can be either ecodysozoans or…..?

A

Lophotrochozoans

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18
Q

Ecodysozoans are devided into two….

A

Arthropoda and nematoda

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19
Q

(Porifera) Sponges are parazoans. (true or false).

A

True

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20
Q

Most of sponges are marine and few live in fresh water habitats. (true or false).

A

True

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21
Q

Sponges are always sesile. (true or false).

A

True

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22
Q

Porifera embryos are not free swimming. (true or false)

A

Fales

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23
Q

The body symmetry of sponges can be either………..

A

Radial or asymmetrical

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24
Q

Level of organization of sponges….?

A

Cellular level of organization

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25
Q

Sponges are classified into 4 classes……

A

Calcarea demospongiae hexactinellida

26
Q

The skeleton and spicules of the class calcarea is composed of……..

A

Calcium carbonate CaCO4

27
Q

The skeleton and spicules of the class demospongiae is composed of……..

A

Spongin fibers and silica spicules

28
Q

The skeleton and spicules of the class hexactinellida is composed of……..

A

Silica spicules (with a six rayes)

29
Q

The fourth class of sponges is…..

A

Sclerospongiae

30
Q

The skeleton of sclerospongiae is composed of……..?

A

Calcium carbonate silica spicules

31
Q

A thin noncellular gelatinous mlayer in sponges

A

The mesohyl

32
Q

Flagellated feeding cells in sponges…….

A

Choanocytes

33
Q

A ring of microvilli

A

Collar cell

34
Q

Collar secrete mucous to traps the food particles. (true or false)

A

True

35
Q

It digests food in sponges

A

Amoebocytes

36
Q

The outer cell layer of sponges…..

A

The Pinacoderm

37
Q

An incurrent pore of sponges…….

A

Ostia / ostium

38
Q

The three types of the inner structure of sponges are……..?

A

Asconoid syconoid leuconoid

39
Q

Is the most complex inner structure type of sponges…………..?

A

Leuconoid

40
Q

Is the simplest inner structure type of sponges

A

Asconoid

41
Q

Have spongocoel……..

A

Adconoid

42
Q

Lacking a spongocoel………….?

A

Leuconoid

43
Q

A type of sponges that have prosopyle…………?

A

Syconoid

44
Q

A type of sponges that filters food mor efficiently………………?

A

Leuconoid

45
Q

A type of sponges that filters food mor efficiently………………?

A

Leuconoid

46
Q

Most of the sponges are asconoids. (true or false).

A

False

47
Q

Asexual reproduction in sponges by……..

A

Fragmentation budding and gemmules

48
Q

Sponges have a power of regeneration and re-aggregation. (true or false).

A

True

49
Q

Gemmules are non-dormant specialized resistant cells. (true or false)

A

Falest

50
Q

Why Spongilla gemmules go dormant?

A

For asexual reproduction

51
Q

Leucosolina is in the class………..

A

Calcarea

52
Q

What type of canal system does leucosolina have?

A

Asconoid

53
Q

Leuconoid lives by attaching to rocks in lower intertidal Zones. (true or false).

A

True

54
Q

Leucosolina forms a group of clusters by “fragmenting”. (true or false).

A

Fales. (by budding)

55
Q

Grantia us in the class……..

A

Calcarea

56
Q

What type of canal system does Grantia have?

A

Syconoid

57
Q

Grantia are marine sponges. (true or false).

A

True

58
Q

Spongilla is in the class……..

A

Demospongiae

59
Q

Spongilla have a skeleton composed of………

A

Spongin fibers and silica spicules

60
Q

The commercial spong is in the class……

A

Demospongiae

61
Q

What type of Cana system does spongilla and the commercial spong have posses

A

Leuconoid

Nots And Reminders (14 decks)

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