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Biology 102 > Animal Diversity > Flashcards

Animal Diversity Flashcards

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1
Q

What types of animals would be considered sessile?

A

Sponges

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2
Q

Animals who move very little are?

A

Sedentary

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3
Q

If an animal has an endoskeleton, they are considered?

A

Vertabrates

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4
Q

If animals have an exoskeleton, they are considered?

A

Invertebrates

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5
Q

What kind of skeleton do worms and Echinoderms have?

A

Fluid filled cavities called hydrostatic skeleton

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6
Q

What are the only animals that are purely cellular?

A

Sponges

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7
Q

What are the 3 habitats that animals live in?

A

Fresh water, marine, land

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8
Q

Most animals with radial symmetry are either ________________ or _____________.

A

Sessile or sedentary

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9
Q

When animals can be divided into equal halves are considered?

A

Bilateral symmetry

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10
Q

Animals with bilateral symmetry normally are ____________ and __________________.

A

Mobile and show cephalization

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11
Q

What are the 3 germ layers?

A

Outer ectoderm
Middle mesoderm
Inner endoderm

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12
Q

What is encompassed in the outer ectoderm?

A

Body coverings and nervous system

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13
Q

What does the middle mesoderm encompass?

A

Skeleton and muscle (and everything else)

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14
Q

What does the inner endoderm encompass?

A

Digestive organs and intestine

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15
Q

What type of body cavity do acolamates have?

A

No body cavity

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16
Q

What type of body cavity do psuedocolomates have?

A

False body cavity

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17
Q

What type of body cavity do colemates have?

A

True body cavities

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18
Q

When blood flows through vessels that are seperated, what type of circulation system is it considered?

A

Closed circulation

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19
Q

When blood is just floating around, spilled out then absorbed, it is considered what type of circulation system?

A

Open circulation system

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20
Q

When a zygote undergoes rapid cell developments what is that called?

A

Cleavage

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21
Q

What is a hollow balls of cells called?

A

A blastula

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22
Q

When a blastula invaginates, it forms what?

A

A gastrula

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23
Q

The two layers of a gastrula are what?

And what do they differentiate too?

A

Ectoderm->must be skin or nerve cells

Endoderm-> can not be skin or nerve cells

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24
Q

What is it called when animal bodies are divided into parts?

A

Segmentation

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25
Q

What makes up phylum Porifera?

A

The sponges

26
Q

Sponges can live in?

A

Marine and freshwater

27
Q

What type of relationships do sponges have?

A

Parasitic and commensalist relationships

28
Q

What are Ostia?

A

Tiny pores

29
Q

What are osculum?

A

Large openings

30
Q

What are the 3 types of cells in sponges?

A

Choanocytes
Amebocytes
Spicules

31
Q

What are choanocytes?

A

Aka collar cells
Lines canals and chambers
Collar composed of micro villi

32
Q

What are amebocytes?

A

Move w/psyuedopods
Clean pores
Differentiate into more specific cells

33
Q

What are spicules?

A

Structural support for cells

34
Q

What is a chalk sponge secrete?

A

Calcium carbonate

35
Q

What does a commercial sponge not have?

A

No spicules-spongin only

36
Q

What makes up phylum chidaria?

A

Jellyfish like creatures

37
Q

What forms does class Hydrozoa take?

A

Medusa and polyp forms

38
Q

What forms do class scynadoa take?

A

Only medusa form

39
Q

What are the two layers of tissues in phylum chindaria?

A

Epidermis and gastrocnemius

40
Q

What seperates the two tissue layers in phylum chidaria?

A

Me dogleg

41
Q

If a animal is freeswimming, what type of form does it have?

A

Medusa form

42
Q

If a animal is sessile or attached (in regards to phylum chidaria) what form does it take?

A

Polyp form

43
Q

What do cnidocytes contain?

A

Contain specialized organelles called nematocysts for sting prey

44
Q

How do animals in class Hydrozoa reproduce?

A

Can reproduce sexually -> hermaphrodidic

Can be asexual-> via budding

45
Q

A colonial hydrozoan with a has filled bloat is a _______________.

A

Portuguese man of war

46
Q

What are the three types of tentacles in a Portuguese man of war and what do they do?

A

Gastrozoid->feeding
Dactylozoid->capture
Gonadozoid->reproduction

47
Q

Class schyphozoa is made up of?

A

Jellyfish

48
Q

Box jellies are on what class?

A

Class cubozoans

49
Q

Box jellies are all strong swimming _________ forms.

A

Medusa

50
Q

Which box jelly is the deadliest?

A

Australian sea wasp

51
Q

‘Flower animals’ are in what class?

A

Class anthozoan

52
Q

What organisms have symbiotic relationships with organisms of class anthozoan?

A

Dinoflagellets
Hermit crabs
Certain fish

53
Q

Where does a fringing reef form?

A

On new islands being formed

54
Q

Where does a barrier reef form?

A

When an island has sunk and reef is on outside

55
Q

Where does an atoli form?

A

Form when an oceanic island sinks below sea level but reef continues to grow

56
Q

How do animals store their food?

A

As glycogen

57
Q

Which germ layers will turn into muscle, skeleton, or support tissue?

A

Mesoderm

58
Q

Which of the following planes bisects a human evenly?

A

Sagittal

59
Q

Sponges are unique among animals because they _________________.

A

Have no tissues

60
Q

A jellyfish dactylozooid is used for what?

A

Grabbing

61
Q

What is the plane that cuts a worm into dorsal and ventral halves?

A

Frontal

Biology 102 (16 decks)

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