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Animals Test 5 Flashcards

(78 cards)

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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
Porifera are sessile or motile
Sessile
26
The gender of porifera is usually____
hermaphrodites where Individuals function as female and male (produces both egg and sperm)
27
Porifera are mostly _____ symmetrical while some exhibit _____
Asymmetric while some exhibit radial symmetry
28
In the phylum Porifera there are ______ feeders
Suspensions/filter feeders
29
Porifera do not possses a ____
Body cavity
30
Porifera do not have any true ____
Body system
31
Porifera have __ cells
Specialized cells
32
Poriferas can have ____ relationships with ____ and ___
Symbiotic relationship with Bacteria and plant like protists
33
There are three classes of Porifera
1. Class calcarea 2. Class hexactinellida 3. Class demospongiae
34
Class demospongiae holds ___% of all sponges
90%
35
Class hezactinellida refers to ____ sponges they are made outta ___
Coral sponges, silicone
36
Class calcarea is entirely ____
Marine
37
Class calcarea has ____ skeleton
CaCO3 skeleton
38
Phylum Cnidaria | • acoelomates means
No body cavity or complex organ systems
39
Phylum Cnidaria has 2 germ layers those are ..
Ectoderm (for protection and movement ) and endoderm
40
Phylum Cnidaria can reproduce ____ or ___ by
Sexually or asexually by budding
41
Phylum Cnidaria are motile or sessile
Both!
42
There are 2 body types within 4 classes | Phylum Cnidaria
True
43
Phylum Cnidaria body types are | Describe and provide examples along with its movement and reproduction
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
The 4 main class of Cnidaria are
Cubozoa, scyphozoa, Anthozoa, hydrozoa
45
Phylum Cnidaria | The inner cavity is responsible for ———- and the he body systems aren’t ____ or ____
Digestion, circulation , respiration and excretion and they body systems aren’t separated of specialized
46
_____ in between 2 germ layers which allow for ____ and ____ to all cells Phylum Cnidaria
Mesoglea , allow for diffusion if nutrients and o2 to all cells
47
Phylum Cnidaria | Nematocysts are mostly commonly located at the end of
Tentacles
48
Phylum Cnidaria | Nematocysts are composed of special cells call
Cnidocysts
49
Cnidocysts produce ____ Phylum Cnidaria
Toxin
50
``` Sea anemones are part of the class ____ ``` Phylum Cnidaria
Class Anthozoa
51
Jelly fish go thru both ___ and __ stage in development
Polyp and a medusa stage
52
Top of polyp buds off to become the ____
Medusa
53
Polyps can reproduce
Asexually
54
The ___ will produce eggs and sperm
Medusa
55
The eggs from Medusa will be fertilized by another Medusa and develop into new ___
Polyp
56
Corals will die if temp to water ___
Increases
57
If corals die the ___ they support soon will follow
Ecosystem
58
Cnidaria form ___ relationships with other ocean lives
Symbiotic relationship
59
What causes coral Bleachig (4)
Change in room temp Runoff and pollution Over exposure to sunlight Extreme low tide when coral is exposed to air
60
mollusk are second only to ____ in number of living animals species
Arthropods
61
Mollusk have a true
Coelum
62
Mollusk have a ___ way digestive systems
One way
63
______ have a closes circulatory system
Cephalopods
64
Parasite can cause disease but ———-
Sometimes benefit the host
65
Hemoglobin uses ____ to carry____
Iron, oxygen
66
Give examples for ectoderm, endoderm, mesoderm
Ectoderm- tooth enamel Endoderm- urinary bladder and pancreas Mesoderm- heart and blood cells
67
Label each by front back upper and lower | Anterior, ventral, dorsal, posterior
``` Anterior Posterior Dorsal Ventral (APDV) ``` Apple pie done visciously
68
Animals with bilateral symmetry move with their ____ end ____
Anterior, foaward
69
Cephalization means
The organs to gather at the anterior end of the animal
70
Cephalization become more apparent as animals become more ___
Complex
71
The Brain responds to ____ in the environment
Stimuli
72
Small clusters of nerve cells are called
Ganglia
73
If the small cluster of ganglia become large enough it becomes a
Brain
74
As animals become more complex they have more ___ of nerve cells
Clusters
75
Invertebrates are animals without a
Backbone
76
Poriferas are anchored to the ____ as an adult
Ocean floor
77
Poriferas are ____\____ feeders
Suspensions/filter
78
Process are the earliest ____ life
Multicellular life

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