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Biology > Phylums to Classes > Flashcards

Phylums to Classes Flashcards

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1
Q

What are the characteristics of phylum Porifera ?

A

Porous
Asymmetrical
No tissues or organs

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2
Q

What animals are in phylum Porifera ?

A

Sponges

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3
Q

What are the characteristics of phylum Cnidaria ?

A

Radial symmetry
Carnivorous
Some nerves and muscles

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4
Q

What animals are in phylum Cnidaria ?

A

Jellyfish

Anemones

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5
Q

What are the characteristics of phylum Platyhelminthes ?

A

Simplest brains
Some organs, muscles and nervous tissue
Bilateral symmetry

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6
Q

What animals are in phylum Platyhelminthes ?

A

Flatworms
Tapeworms
Flukes

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7
Q

What are the characteristics of phylum Nematoda ?

A

No appendages or segments

Have a cavity that acts as an early circulatory system

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8
Q

What animals are in phylum Nematoda ?

A

Roundworms

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9
Q

What are the characteristics of phylum Mollusca ?

A

No segments or appendages
Some have shells
Some start to go on land

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10
Q

What animals are in phylum Mollusca ?

A

Snails
Slugs
Octopus
Oysters

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11
Q

What are the characteristics of phylum Annelida ?

A 
Segmentation
Specialization of tissue
Non-jointed appendages
Multi-organ digestive system
Circulatory system
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12
Q

What animals are in phylum Annelida ?

A

Earthworms
Sandworms
Leaches

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13
Q

What are the characteristics of phylum Arthropoda ?

A 
Jointed appendages
Exoskeleton made of chitin and protein
Segmentation
Open circulatory system with a heart
Gas exchange breathing system
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14
Q

Why is Arthropoda considered the most successful phylum ?

A

DIversity
Distribution
Size

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15
Q

What animals are in phylum Arthropoda ?

A

Insects
Myriapods (cetipedes and millipedes)
Crustaceans
Chelicerates (spiders, scorpions, ticks, mites)

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16
Q

What are the characteristics of phylum Echinodermata ?

A

Pentamerous radial symmetry in adults
Bilateral symmetry and segmentation in larvae
Generally sessile as adults
Hard exterior, spiny

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17
Q

What animals are in phylum Echinodermata ?

A

Sea stars
Sea cucumbers
Sea urchins
Sand dollars

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18
Q

What are the characteristics of phylum Chordata ?

A

Segementation
Cephalization
Appendages
and way more

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19
Q

What are the 4 distinguishing traits of phylum Chordata ?

A

Notochord
Dorsal hollow nerve cord
Pharyngeal slits
Muscular postanal tail

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20
Q

What is the notochord ?

A

A flexible, structural cord that exists in all embryos

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21
Q

What do the pharyngeal slits do ?

A

It allows water entry (needed when having a closed digestive system)

22
Q

What are the 3 subphylum of Chordata ?

A

Cephalochordates (Lancelets)
Urochordates (Tunicates)
Vertebrates

23
Q

What are the characteristics of subphylum Cephalochordate ?

A

Invertebrates
Filter-feed
Weak swimmers

24
Q

What are the characteristics of subphylum Urochordate?

A

Invertebrates
Adults are sessile
Filter-feed

25
Q

What are the characteristics of subphylum Vertebrates ?

A 
Have a spinal column that surroundsd and protects the dorsal nerve cord
Cephalization and craniation
Eye development
Mouth
Internal mineralized skeleton
26
Q

What are the characteristics of class Myxini ?

A

Jawless fish
Unpaired limbs
No vertebrae
Have skeleton and cranium (all cartilage)

27
Q

What animals are in class Myxini ?

A

Hagfish

Lampreys

28
Q

What are the characteristics of class Placodermi ?

A

Jawed fish
Armoured
Extinct class

29
Q

What classes are in the subclass Gnathostome ?

A

All classes in which the animals have jaws.

30
Q

What classes are in the subclass Agnathostome ?

A

Myxini

31
Q

What are the characteristics of class Chondrichthyes ?

A

Cartilaginous fish
Have jaws and a full cartilage skeleton
Have paired fins

32
Q

What animals are in class Chondrichthyes ?

A

Sharks

Rays

33
Q

What are the characteristics of class Actinopterygii ?

A 
Can store the air they draw through their gills
Have a swim bladder
Have bony scales
2-chambered heart
Can regulate salt balance
External fertilization
34
Q

What animals are in class Actinopterygii ?

A

Fish

35
Q

What are the characteristics of class Actinista ?

A

Lobed limbs

“Walk” under water

36
Q

What animals are in class Actinista ?

A

Coelocanth

37
Q

What are the characteristics of class Dipnoi ?

A

Have lobed limbs

Can take in air from out of the water and store it

38
Q

What animals are in class Dipnoi ?

A

Lungfish

39
Q

What are the characteristics of class Amphibia ?

A

Lead “double lives”
Larvae are underwater, have gills, eat algae
Adults have limbs, lungs, “ears”
Must keep their skin moist even when adult
Adults reproduce in water (external fertilization)

40
Q

What animals are in class Amphibia ?

A

Frogs

Salamanders

41
Q

What are the characteristics of class Reptilia ?

A

Live on land
Have a dry and scaly skin
Internal fertilization
Amniotic eggs

42
Q

What animals are in class Reptilia ?

A

Snakes

Birds

43
Q

What are the characteristics of birds ?

A

Bipedal

Adapted for flight

44
Q

What are the characteristics of class Mammalia ?

A 
Hair
Mammary glands
4-chambered heart
Warm blooded (endothermic)
Heterodonts
45
Q

What orders are in class Mammalia ?

A

Order Monotremata
Order Marsupials
Order Placentals

46
Q

What are the characteristics of order Monotremata ?

A

Lay eggs
Secrete milk onto their hair
Show traits of birds and reptiles

47
Q

What animals are in order Monotremata ?

A

Platypus

Echidna

48
Q

What are the characteristics of Marsupials ?

A

Give live birth

Females have a pouch in which the baby remains to further develop

49
Q

What animals are Marsupials ?

A

Kangouroo

Koala

50
Q

What are the characteristics of Placentals ?

A

Give live birth

Females have a placenta

51
Q

What animals are Placentals ?

A

Us
All other mammals
Rodents
Bats

Biology (8 decks)

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