Kingdom Animalia

Question 1

Characteristics of Animalia

Answer 1

Multicellular
Eukaryotic
Heterotrophic
Motile
Reproduced Sexually

Question 2

Classifications of Animals

Answer 2

Body organization
Number of body layers
Symmetry and body plans
Internal Body Cavity
Reproduction

Question 3

Body Organization

Answer 3

Cells
Tissues
Organs
Organ systems

Question 4

Number of Body Layers

Answer 4

Ectoderm - outer skin
Endoderm - inner skin
Mesoderm - middle skin

Question 5

Symmetry

Answer 5

Radial symmetry - more than one plane of symmetry
Bilateral symmetry- has one plane of symmetry
Asymmetrical- no plane of symmetry

Question 6

Internal Body Cavity

Answer 6

coelom - fluid filled body cavity
coelomates - organisms with a true coelom
Pseudocoelomates - less complex organisms with an unlined fluid filled space
Acoelomate - animals without coelomate

Question 7

Reproduction

Answer 7

External fertilization - gametes combine outside the body
Internal fertilization - gametes combine inside the female body

Question 8

Invertebrates

Answer 8

Lack a back bone

Question 9

Vertebrates

Answer 9

Have a back bone

Question 10

Phylum Porifera

Answer 10

marine sometimes freshwater
acoelomate
asymmetrical
sessile as adults
reproduce sexually and asexually

Question 11

Phylum Cindaria

Answer 11

fresh water and marine
radial symmetry
tentacles
2 layers of cells
2 life stages
- polyp - non moving
- medusa - moving

Jellyfish

Question 12

Phylum Platyhelminthes

Answer 12

unsegmented
aquatic and terrestrial
acoelomate
bilateral symmetry
3 cell layers

Tape worm

Question 13

Phylum Nematoda

Answer 13

Unsegmented round worms
aquatic and terrestrial
sexual reproduction circulation by diffusion
Pseudocoelomate
separate mouth and anus

hookworms

Question 14

Phylum Annelida

Answer 14

Aquatic and terrestrial
coelomates
bilateral symmetry
segmented

Question 15

Phylum Mollusca

Answer 15

diverse
aquatic or terrestrial
coelomates
bilateral
shelled animals
3 body layers

Question 16

Phylum Echinodermata

Answer 16

marine
coelomates
sexual reproduction
radial symmetry
tube feet

Star Fish

Question 17

Phylum Arthopoda

Answer 17

largest phylum
segmented body
Exoskeleton
bilateral symmetry
jointed legs and appendages
sexual reproduction
metamorphic

Spider

Question 18

Phylum Arthopoda Classes

Answer 18

Class Arachnida - 2 segments, 4 legs, no antenna
Class Crustacea - 5 pairs of appendages, 2 pair antenna
Class Insecta - 3 segments, 3 pairs of legs and one pair of antenna
Class Diplopods - 10-100 segmented body each segment has 2 pairs of legs
Class Chilopods - 10-100 segmented body each segment has one pair of legs

Question 19

Phylum Mollusca Classes

Answer 19

Class Bivalvia - clams
Class Gastropoda - snail and slugs
Class Cephalopod- squid, octopus

Question 20

Phylum Chordata(Vertabrates)

Answer 20

Fish - Class Agnatha, Class Chondrichythes and Class Osteichthyes
Amphibians - Class amphibia
Reptiles - Class reptilia
Birds - Class aves
Mammals - Class mammalia

Question 21

Phylum Chordata Characteristics

Answer 21

Dorsal hollow nerve cord
Notocord
Pharyngeal slits(gill slits)
Post-anal Tail

Question 22

Reproduction differeneces

Answer 22

Oviparous - eggs develop outside the female body
Ovoviviparous - eggs remain inside female until the hatch, no placenta
Viviparous - internal development via placenta

Question 23

Ectothermic

Answer 23

Cold blooded

Question 24

Endothermic

Answer 24

Warm blooded

Question 25

Fish Characteristics

Answer 25

Vertabrates Aquatic Ectothermic Have scales Various reproductive strategies Limbs modified into fins

Question 26

Class Agnatha

Answer 26

Primitive Obtain oxygen through gills jawless scaleless skin coated in mucus no bones Hagfish

Question 27

Class Chondrichthyes

Answer 27

specialized teeth(polyphyodont) flexible cartilaginous skeleton mostly marine Shark

Question 28

Class Amphibia

Answer 28

Evolved from fish Fins changed into limbs Ectothermic Oviparous Metamorphic Respiration differs through species

Question 29

Indicator Species

Answer 29

very vulnerable to environmental changes

Question 30

Amniotic Egg

Answer 30

egg with more than one layer

Question 31

Class Reptilia

Answer 31

Ectothermic Internal fertilization with amniotic egg Oviparous Temp can determine sex

Question 32

Class Aves

Answer 32

Oviparous Amniotic egg scales on legs endothermic most can fly

Question 33

Class Mammalia

Answer 33

Mammary glands that produce and secrete milk Amniotes with hair Endothermic 4 chambered hearts Sub Class Monotremes - oviparous Marsupial - pouched mammals Placenta mammals - vivparous

Question 34

Amphibia orders

Answer 34

Order Urodela - 4inches - 5 feet, aquatic and terrestial Order Anura - no tails in adults

Question 35

Reptilia Ordes

Answer 35

Order Testudine Order Squamata Order Crocodilia