# data[].attributes.body
1a – Two pairs of antennae (Class: Crustacea)

1b -- One pair of antennae or none (Go to 2)

2a – 1 pair of antennae (Go to 3)

2b – No Antennae (Class: Arachnida)

3a – Has wings (Class: Insecta)

3b – No wings (Go to 4)

4a –Each Segment has 2 pairs of legs (Class: Diplopoda)

4b –Each Segment has 1 pairs of legs (Class; Chilopoda)

# data[].attributes.body
1a. skeleton of cartilage (not bone) Go to 2a.

1b. strong, light skeleton. Go to 5b.

2a. no swim bladder Go to 3a.

2b. swim bladder present. Go to 3b.

3a. all aquatic (mostly marine) chondrichthyes

3b. all aquatic (mostly marine and fresh water) Osteichthyes

3c. aquatic and terrestrial (limited to damp environments). Go to 4a.

3d. mostly terrestrial. Go to 6a.

4a. lungs in adult, juveniles may have gills (retained in come adults) Go to 5a.

5a. gas exchange also through skin. Amphibia

5b. gas exchange assisted by air sacs. Go to 6b.

6a. ectotherms with no larval stages. Go to 7a.

6b. terrestrial endotherms. Go to 8b.

6c. endotherms with hair or fur. Go to 7b.

7a. teeth are all the same type. Go to 8a.

7b. teeth are of different types. Go to 10a.

8a. eggs with of soft leathery shell. Reptilia

8b. eggs with hard calcareous shell. Go to 9a.

9a. high metabolic rate. Aves

10a. mammary glands produce milk.  Mammalia

# data[].attributes.body
1a. Skeleton of cartilage (not bone)  go to 2a

1b. Strong, light skeleton go to 5b

2a. No swim bladder go to 3a

2b. Swim bladder present go to 3b

3a. All aquatic (mostly marine) Chondrichthyes

3b. All aquatic (mostly marine and freshwater) Osteichthyes

3c. Aquatic and terrestrial (limited to damp environments) go to 4a

3d. Mostly terrestrial go to 6a

4a. Lungs in adult, juveniles may have gills (retained in some adults) go to 5a

5a. Gas exchange also through skin Amphibia

5b. Gas exchange assisted by air sacs go to 6b

6a. Ectotherms with no larval stages go to 7a

6b. Terrestrial endotherms go to 8b

6c. Endotherms with hair or fur go to 7b

7a. Teeth are all the same type go to 8a

7b. Teeth are of different types go to 10a

8a. Eggs with soft leathery shell Reptilia

8b. Eggs with hard calcareous shell go to 9a

9a. High metabolic rate  Aves

10a. Mammary glands produce milk Mammalia

# data[].attributes.body
1a) Is completely aquatic and can only survive in water          2

1b) Can survive on land     3

2a) Has an operculum (bony flap) over gills                               Herring

2b) Doesn’t have operculum (bony flap) over gills             Hammerhead Shark

3a) Is cold-blooded            4

3b) Is warm-blooded         5

4a) Has smooth, moist skin   Toad

4b) Has scaly, dry skin      Rattlesnake

5a) Has feathers              Seagulls

5b) Has fur        Kangaroos

# data[].attributes.body
1a. Skeleton of cartilage (not bone)  go to 2a
1b. Strong, light skeleton go to 5b

2a. No swim bladder go to 3a

2b. Swim bladder present go to 3b

3a. All aquatic (mostly marine) Chondrichthyes

3b. All aquatic (mostly marine and freshwater) Osteichthyes

3c. Aquatic and terrestrial (limited to damp environments) go to 4a

3d. Mostly terrestrial go to 6a

4a. Lungs in adult, juveniles may have gills (retained in some adults) go to 5a

5a. Gas exchange also through skin Amphibia

5b. Gas exchange assisted by air sacs go to 6b

6a. Ectotherms with no larval stages go to 7a

6b. Terrestrial endotherms go to 8b

6c. Endotherms with hair or fur go to 7b

7a. Teeth are all the same type go to 8a

7b. Teeth are of different types go to 10a

8a. Eggs with soft leathery shell Reptilia

8b. Eggs with hard calcareous shell go to 9a

9a. High metabolic rate  Aves

10a. Mammary glands produce milk Mammalia

# data[].attributes.body
1. A Has exoskeleton made out of chitin Go 2

B Does not have exoskeleton made out of chitin Go 3
2. A Width longer than height Crab

B Long body Go 4
3. A Has exoskeleton impregnated with mineral salt Go 5

B Does not have exoskeleton impregnated with mineral salt Go 6
4. A Millimeters in size Amphipod

Bigger in size Shrimp
5. A Has tail Go 7

B Does not have tail Go 8
6. A Is an insect Go 9

B Not an insect Go 10
7. A Has 8 legs Scorpions

B Doesn’t have legs Horse shoe crab
8. A Has 2 body segments Spider

B Has 1 body segment Tic
9. A Has wings Go 11

B Doesn’t have wings Beetle
10. A Has rounded body Millipede

B Has flattened body Centipede
11. A Small wings Honey bee

B Large wings Go 12
12. A Body shorter than wings Butterfly

B Body long as wings Locust

# data[].attributes.body
1. a) Group of vertebrate animals with the presence of mammary glands which in females produce milk for feeding their offspring.    Mammalia

b) Group of warm-blooded vertebrates.                                      Go to 2

2. a) Have feathers and beaks.
Birds

b) Group of vertebrated animals that are cold-blooded animals and have 4 legs. Go to 3

3. a) Have no tails and has a green skin color and can live in terrestrial, fossorial, arboreal or freshwater aquatic ecosystems.                Amphibia

b) Has a tail and scales. Go to 4

4. a) Are aquatic gill-bearing animals. Fish

b) Mainly live on land, have claws on their hands and legs. Go to 5

5. Are a class of animals that consists of animals such as lizards, crocodiles, and turtles.        Reptiles

# data[].attributes.body
1) a) lives in aquatic areas and can swim : fish

b) doesn’t live in aquatic places, go to 2

2) a) has feathers and a beak: bird

b) doesn’t have feathers or a beak, go to 3

3) a) has 4 legs and spots on body: amphibians

b) has 4 legs but no spots, go to 4

4) a) has 4 legs with sharp teeth: mammals

b) has scaly skin, go to 5

5) has sharp claws: reptile