animal characteristics

Question 1

Sponges (Porifera)
Symmetry, Segmentation, Digestive System, Circulatory System, Respiratory System:

Answer 1

-
-
-
-
-
-
-
-
-
-
-
Symmetry: Absent
Segmentation: Absent
Digestive System: Intracellular
Circulatory System: Absent
Respiratory System: Absent

Question 2

Hydra, Anemones, Jellyfish (Cnidaria)
Symmetry, Segmentation, Digestive System, Circulatory System, Respiratory System

Answer 2

-
-
-
-
-
-
-
-
-
-
-
Symmetry: Radial
Segmentation: Absent
Digestive System: Extracellular
Circulatory System: Absent
Respiratory System: Absent

Question 3

Flatworms (Platyhelminthes)
Symmetry, Segmentation, Digestive System, Circulatory System, Respiratory System:

Answer 3

-
-
-
-
-
-
-
-
-
-
-
Symmetry: Bilateral
Segmentation: Absent
Digestive System: Extracellular
Circulatory System: Absent
Respiratory System: Absent

Question 4

Roundworms (Nematoda)
Symmetry, Segmentation, Digestive System, Circulatory System, Respiratory System:

Answer 4

-
-
-
-
-
-
-
-
-
-
-
Symmetry: Bilateral
Segmentation: Absent
Digestive System: Extracellular
Circulatory System: Absent
Respiratory System: Absent

Question 5

Segmented Worms (Annelida)
Symmetry, Segmentation, Digestive System, Circulatory System, Respiratory System:

Answer 5

-
-
-
-
-
-
-
-
-
-
-
Symmetry: Bilateral
Segmentation: Present
Digestive System: Extracellular
Circulatory System: Closed
Respiratory System: Absent

Question 6

Snails, Clams, Squid (Mollusca)
Symmetry, Segmentation, Digestive System, Circulatory System, Respiratory System:

Answer 6

-
-
-
-
-
-
-
-
-
-
-
Symmetry: Bilateral
Segmentation: Absent
Digestive System: Extracellular
Circulatory System: Open
Respiratory System: Gills or lungs

Question 7

Insects, Arachnids, Crustaceans (Arthropoda)
Symmetry, Segmentation, Digestive System, Circulatory System, Respiratory System:

Answer 7

-
-
-
-
-
-
-
-
-
-
-
Symmetry: Bilateral
Segmentation: Present
Digestive System: Extracellular
Circulatory System: Open
Respiratory System: Tracheae, gills, or book lungs

Question 8

Sea Stars, Sea Urchins (Echinodermata)
Symmetry, Segmentation, Digestive System, Circulatory System, Respiratory System:

Answer 8

-
-
-
-
-
-
-
-
-
-
-
Symmetry: Bilateral larvae; radial adults
Segmentation: Absent
Digestive System: Extracellular
Circulatory System: Absent
Respiratory System: Tube feet, skin gills, respiratory tree

Question 9

Vertebrates (Chordata)
Symmetry, Segmentation, Digestive System, Circulatory System, Respiratory System

Answer 9

-
-
-
-
-
-
-
-
-
-
-
Symmetry: Bilateral
Segmentation: Present (but reduced)
Digestive System: Extracellular
Circulatory System: Closed
Respiratory System: Gills or lungs