1. BIO 211 Picture Review

2. What phylum is this from?
What are some of the characteristics of this phylum?
What class would this be from?
Phylum: Platyhelminthes
Class: Tubellaria
Mostly marine, single entrance to gastrovascular cavity, triploblastic, no segmentation, bilateral, lack organs for gas exchange and blood circulation, cephalization

3. What phylum is this from?
What are some of the characteristics of this phylum?
What class would this be from?
Phylum: Annelida
Class: Oligochaetes (earthworm related species)
Segmented worms, bilateral, gas exchange through skin, setae for movement

4. What phylum is this from?
What are some of the characteristics of this phylum?
Phylum: Cnidarian, polyp form
Radial, mostly diploblastic, cnidocytes (stinging cells), gastrovascular cavity

5. What phylum is this from?
What are some of the characteristics of this phylum?
Phylum: nematoda
Roundworm
Not segmented, cylindrical worm, cuticle of collagen that they shed, live in wet places, longitudinal muscles,

6. What phylum is this from?
What are some of the characteristics of this phylum?
What class would this be from?
Phylum: Annelida
Class: Hirudinae (leeches)
Primarily aquatic, feed on small invertebrates, some are blood sucking organisms

7. What phylum is this from?
What are some of the characteristics of this phylum?
What class would this be from?
Phylum: Mollusca
Class: Cephalopoda
Mouth at the center of tentacles, shell is often reduced or absent, highly developed nervous system

8. What phylum is this from?
What are some of the characteristics of this phylum?
What class would this be from?
Phylum: Annelida
Class: Polychaetes
Segmented marine worms, can drift, swim, crawl, or burrow, many are tube dwellers

9. What phylum is this from?
What are some of the characteristics of this phylum?
Phylum: Proifera
Made up of chanocytes, asymmetrical, no true tissues

10. What phylum is this from?
What are some of the characteristics of this phylum?
What subphyla would this be from?
Phylum: Arthropoda
Segmented bodies, jointed appendages, hard exoskeleton of chitin, open circulatory system
Subphyla: Chelicerata
usually 2 body segments (cephalothorax and abdomen), 6 pairs of appendages (4 pairs of legs, 1 pair pedipalps, 1 pair of chelicerae), no antennae, simple eyes, no mandibles, abdominal silk glands

11. What phylum is this from?
What are some of the characteristics of this phylum?
Phylum: Cnidarian, polyp form
Radial, mostly diploblastic, cnidocytes (stinging cells), gastrovascular cavity

12. What phylum is this from?
What are some of the characteristics of this phylum?
What subphyla would this be from?
Phylum: Arthropoda
Segmented bodies, jointed appendages, hard exoskeleton of chitin, open circulatory system
Subphyla: crustaceans
Mandibles, 2 pairs of antennae, usually 2 or 3 body parts with appendages attached to the abdomen, more than 5 pairs of legs, usually marine

13. What phylum is this from?
What are some of the characteristics of this phylum?
What class would this be from?
Phylum: rotifera
Freshwater animals, jaws and a crown of cilia, parthenogenic

14. What phylum is this from?
What are some of the characteristics of this phylum?
Phylum: Proifera
Made up of chanocytes, asymmetrical, no true tissues

15. What phylum is this from?
What are some of the characteristics of this phylum?
What class would this be from?
Phylum: Mollusca
Class: Bivalvia
Shell in 2 parts, no head or radula, hatchet shaped foot for digging, mostly gut and gonads

16. What phylum is this from?
What are some of the characteristics of this phylum?
What class would this be from?
Phylum: Annelida
Class: Oligochaetes
Segmented worms, bilateral, gas exchange through skin, setae for movement

17. What phylum is this from?
What are some of the characteristics of this phylum?
What subphyla would this be from?
Phylum: Arthropoda
Segmented bodies, jointed appendages, hard exoskeleton of chitin, open circulatory system
Subphyla: Chelicerata
Horseshoe crab
Specialized feeding structures, claw like pinchers, usually 2 body segments (cephalothorax and abdomen), 6 pairs of appendages, no antennae, simple eyes, no mandibles

18. What phylum is this from?
What are some of the characteristics of this phylum?
What class would this be from?
Phylum: mollusca
Class: gastropoda
Most are protected by a hard, spiral shaped shell made of calcium carbonate, foot, mantle, and visceral mass

19. What phylum is this from?
What are some of the characteristics of this phylum?
What class would this be from?
Phylum: Platyhelminthes
Class: Cestoda
Scolex head that has suckers on it, no digestive system, mostly gonads, bilateral, cephalization, triploblastic

20. What phylum is this from?
What are some of the characteristics of this phylum?
What subphyla would this be from?
Phylum: Arthropoda
Segmented bodies, jointed appendages, hard exoskeleton of chitin, open circulatory system
Subphyla: hexapoda
1 pair of antennae, 2 pairs of wings, 3 pairs of legs, 3 body regions (head, thorax, abdomen), appendages attached at thorax, compound eyes, complete or incomplete metamorphosis

21. What phylum is this from?
What are some of the characteristics of this phylum?
Phylum: Echinodermata
Deutrostomes, radial symmetry in adults and bilateral larvae, spiny skin, endoskeleton of calcareous plates, water vascular system with tube feet, can regenerate limbs, marine animals

22. What phylum is this from?
What are some of the characteristics of this phylum?
Phylum: Cnidarians medusa form
Radial, mostly diploblastic, cnidocytes (stinging cells), gastrovascular cavity