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Bio > Animals Test 5 > Flashcards

Animals Test 5 Flashcards

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Biology 101 flashcards
1
Q

Animals lack cell ____

Why?

A

Wall, cause they need to move around

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2
Q

Animals are autotrophs or heterotrophic

A

Heterotrophic

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3
Q

Cell specialization is ____… and give examples

A

How each specialized cell has a special shape, physical structure and internal composition to make it suited to its function examples include wbc, skin, Brian cells and hair cells

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4
Q

Division of labour

Definition :

A

To be efficient animals need to divide essential tasks between its specialized cells to survive

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5
Q

List the 5 ways animals feed

A

Herbivores (way plants)
Carnivores(day other animal)
Parasites( live and feed inside or attach to another organism *can cause disease or benefit the host)
Filter feeders
Detritus feeders (feed on rotting plants and animals (aka decomposers)

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6
Q

What is respiration

A

Process which takes in oxygen and produce co2

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7
Q

How do animals respiration

A

Small animals - can respire through their skin

Large animals- need lungs or gills working with internal transport systems to get o2 to all their cells

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8
Q

How do small animals aquatic animals excrete

A

Diffusion, to remove waste from tissue to surrounding environment

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9
Q

How to large animals excrete

A

Need specialized systems to remove these wastes from bodies

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10
Q

What does sessile mean

A

Live entire lives in one spot

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11
Q

What does motile mean

A

Ability to move around

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12
Q

Insects (Arthropoda( do not have an ________ they move with their ____

A

Interior Skelton, exterior Skelton

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13
Q

Do animals reproduce asexually or sexual

A

Both!

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14
Q

Direct development means that

A

Eggs hatch into miniature versions of the adult they grow larger but their general form does not change

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15
Q

Indirect development mean w

A

Eggs hatch into larvae, which look nothing like the adults but eventually they go thru metamorphis

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16
Q

Embryogenesis mean a

A

The process of how an embryo is formed and developed

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17
Q

Label the germ layers in order

A

Endoderm- - digestive systems

Mesoderm- muscular, skeletal, circulatory, reproductive system

Ectoderm- skin and nervous system

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18
Q

Radial symmetry

A

Examples : sea star, jelly fish, sea anemone

Animals with radial symmetry do not have real head

Many are sessile

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19
Q

Bilateral symmetry

A

More complex animals
Where one side is a reflection of the other

Anterior - front
Posterior- back
Dorsal - upper
Ventral- lower

Animals w bilateral symmetry move w anterior end

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20
Q

Small clusters of brain cells are called

A

Ganglia

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21
Q

Intvertebrates are animals without a _____

A

Backbone

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22
Q

Invertebrates make up __% is all animals

A

95%

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23
Q

The first evolved invertebrates are ____

A

Porifera

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24
Q

The phylum porifera is commonly reffered to as ____

A

Sponges

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25
Q

Porifera are sessile or motile

A

Sessile

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26
Q

The gender of porifera is usually____

A

hermaphrodites where Individuals function as female and male (produces both egg and sperm)

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27
Q

Porifera are mostly _____ symmetrical while some exhibit _____

A

Asymmetric while some exhibit radial symmetry

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28
Q

In the phylum Porifera there are ______ feeders

A

Suspensions/filter feeders

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29
Q

Porifera do not possses a ____

A

Body cavity

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30
Q

Porifera do not have any true ____

A

Body system

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31
Q

Porifera have __ cells

A

Specialized cells

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32
Q

Poriferas can have ____ relationships with ____ and ___

A

Symbiotic relationship with Bacteria and plant like protists

33
Q

There are three classes of Porifera

A
  1. Class calcarea
  2. Class hexactinellida
  3. Class demospongiae
34
Q

Class demospongiae holds ___% of all sponges

A

90%

35
Q

Class hezactinellida refers to ____ sponges they are made outta ___

A

Coral sponges, silicone

36
Q

Class calcarea is entirely ____

A

Marine

37
Q

Class calcarea has ____ skeleton

A

CaCO3 skeleton

38
Q

Phylum Cnidaria

• acoelomates means

A

No body cavity or complex organ systems

39
Q

Phylum Cnidaria has 2 germ layers those are ..

A

Ectoderm (for protection and movement ) and endoderm

40
Q

Phylum Cnidaria can reproduce ____ or ___ by

A

Sexually or asexually by budding

41
Q

Phylum Cnidaria are motile or sessile

A

Both!

42
Q

There are 2 body types within 4 classes

Phylum Cnidaria

A

True

43
Q

Phylum Cnidaria body types are

Describe and provide examples along with its movement and reproduction

A
  1. Polyps - sessile , tentacles face up, asexual reproduction. Examples: sea anemones, coral , hydra
  2. Medusa - motile, tentacles face down , sexual reproduction, examples: jellyfish, sea wasp
44
Q

The 4 main class of Cnidaria are

A

Cubozoa, scyphozoa, Anthozoa, hydrozoa

45
Q

Phylum Cnidaria

The inner cavity is responsible for ———- and the he body systems aren’t ____ or ____

A

Digestion, circulation , respiration and excretion and they body systems aren’t separated of specialized

46
Q

_____ in between 2 germ layers which allow for ____ and ____ to all cells

Phylum Cnidaria

A

Mesoglea , allow for diffusion if nutrients and o2 to all cells

47
Q

Phylum Cnidaria

Nematocysts are mostly commonly located at the end of

A

Tentacles

48
Q

Phylum Cnidaria

Nematocysts are composed of special cells call

A

Cnidocysts

49
Q

Cnidocysts produce ____

Phylum Cnidaria

A

Toxin

50
Q 
Sea anemones are part of the class
\_\_\_\_

Phylum Cnidaria

A

Class Anthozoa

51
Q

Jelly fish go thru both ___ and __ stage in development

A

Polyp and a medusa stage

52
Q

Top of polyp buds off to become the ____

A

Medusa

53
Q

Polyps can reproduce

A

Asexually

54
Q

The ___ will produce eggs and sperm

A

Medusa

55
Q

The eggs from Medusa will be fertilized by another Medusa and develop into new ___

A

Polyp

56
Q

Corals will die if temp to water ___

A

Increases

57
Q

If corals die the ___ they support soon will follow

A

Ecosystem

58
Q

Cnidaria form ___ relationships with other ocean lives

A

Symbiotic relationship

59
Q

What causes coral Bleachig (4)

A

Change in room temp
Runoff and pollution
Over exposure to sunlight
Extreme low tide when coral is exposed to air

60
Q

mollusk are second only to ____ in number of living animals species

A

Arthropods

61
Q

Mollusk have a true

A

Coelum

62
Q

Mollusk have a ___ way digestive systems

A

One way

63
Q

______ have a closes circulatory system

A

Cephalopods

64
Q

Parasite can cause disease but ———-

A

Sometimes benefit the host

65
Q

Hemoglobin uses ____ to carry____

A

Iron, oxygen

66
Q

Give examples for ectoderm, endoderm, mesoderm

A

Ectoderm- tooth enamel
Endoderm- urinary bladder and pancreas
Mesoderm- heart and blood cells

67
Q

Label each by front back upper and lower

Anterior, ventral, dorsal, posterior

A 
Anterior 
Posterior 
Dorsal
Ventral
(APDV)

Apple pie done visciously

68
Q

Animals with bilateral symmetry move with their ____ end ____

A

Anterior, foaward

69
Q

Cephalization means

A

The organs to gather at the anterior end of the animal

70
Q

Cephalization become more apparent as animals become more ___

A

Complex

71
Q

The Brain responds to ____ in the environment

A

Stimuli

72
Q

Small clusters of nerve cells are called

A

Ganglia

73
Q

If the small cluster of ganglia become large enough it becomes a

A

Brain

74
Q

As animals become more complex they have more ___ of nerve cells

A

Clusters

75
Q

Invertebrates are animals without a

A

Backbone

76
Q

Poriferas are anchored to the ____ as an adult

A

Ocean floor

77
Q

Poriferas are ____\____ feeders

A

Suspensions/filter

78
Q

Process are the earliest ____ life

A

Multicellular life

Bio (18 decks)

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