Animals

Question 0

Cnidaria

Answer 0

Hydra, jellyfish, corals

Question 1

Porifera

Answer 1

Sponges

Question 2

Hydrozoa

Answer 2

Class

Polyp and medusa

Question 3

Scyphozoa

Answer 3

Class

Jellyfish

Medusa only

Question 4

Anthozoa

Answer 4

Class

Corals

Polyps

Question 5

Platyhelminthes

Answer 5

Flatworms, flukes, tapeworms

No circulatory system

Question 6

Turbellaria

Answer 6

Class under Platyhelminthes

Free living,predators, toxin, asexual reproduction

Question 7

Trematoda

Answer 7

Class under Platyhelminthes

Parasite, more than one host

Eg schistosona

Question 8

Cestoda

Answer 8

Class under Platyhelminthes

Parasites

Eg tapeworm

Question 9

Mollusca

Answer 9

Phylum
Clams, snails, squids, octopus
Shell
Mantle
Foot
Radula

Question 10

Gastropoda

Answer 10

Class under mollusca

” stomach feet”
Snails, slugs, sea slugs
Posses torsion

Question 11

Bivalvia

Answer 11

Class under mollusca
"Two shells"
Clams, oysters, mussels
Parasites as babies
Cuspension feeders, no radula

Question 12

Cephalopoda

Answer 12

Class under mollusca
“Head foot”
Octopus, squid, hautilus

Question 13

Mammals

Answer 13

1. Mammary
2. Fur or hair (keratin)
3. Endotherms, mostly homeothermic
4. 4 chamber heart

Question 14

Monotremes

Answer 14

Class mammalia
Order montremata
   -lay eggs
   -mammary glands but no teats
2 families 
3 species

Question 15

Marsupials

Answer 15

Class mammalia
Order marsupialia
   - marsupium (pouch)
   - brief gestation. Give births to tiny underdeveloped offspring
   -mammary (teats)
Only 270 species

Question 16

Eutherian (placental mammals)

Answer 16

Class mammalia
Order eutheria
5000 species
-all develop within uterus and nourish by a placenta

Question 17

Benefits of retaining the embryo inside body

Answer 17

1. Protection
2. Nourishment
3. Develop at a constant warm temperature
4. Portable

Question 18

Adaptations for flights

Answer 18

1. Wings
2. Elongated keel
3. Light weight
   Skeleton(bones filled w/ air)
   No teeth
   No bladder
   Females have only one ovary
   Gonads shrinks

Question 19

Phylum Chordata

Answer 19

1. Dorsal hollow nerve cord (spinal cord)
2. Pharyngeal gill slits - allows use for breathing, and often for feeding
3. Post anal tail - usually musculartor locomotion
4. Notochord - skeleton structure