1. Monday, April 20th, 2015
Pg. 130 RTW: Do you remember the phylum Cnidaria? If so, what creatures does it have?
Objective:
I will be able to cite examples and explain the adaptations to the marine environment of the invertebrate phyla: Echinodermata.
Agenda:
Foldable
Echinodermata need to send me quiz for approval
Homework:
Fish Food Project

2. Marine Science
Phylum Foldable

3. To create the foldable 4 sheets of long paper
Stack them so they form layers (see mine)
Fold in the center and staple on the upper left and upper right (see mine)
Labeling:
Title: Phylum Review
Flaps:
1. Porifera 5. Mollusca
2. Arthropoda 6. Chordata
3. Echinodermata 7. Chordata
4. Cnidaria

4. In each flap Note: 6. Chordata Class Reptilia / Class Aves
7. Chordata Class Mammalia / Class Actinopterygii (osteichthyes) / Class Chondrichthyes
Top Half: Examples
Bottom Half:
General Characteristics
Diagram
Reproduction

5. Foldable Cnidarian Information
1. Examples: Jellyfish, corals, Man-o-War, box jellies.
Classes:
Class Hydrozoa
Class Scyphozoa
Class Anthozoa
Class Cubozoa
Reproduction: Sexual and asexual (budding)

6. Jellyfish Life Cycle

7. Foldable Cnidarian Information
General characteristics:
Have stingers with nematocysts
No eyes, heart, lungs or nervous system (can detect light changes)
Radially symmetrical
Carnivores
Diagram:
Draw an example of each of the following:
Hydrozoan, Scyphozoan, Cubozoan, Anthrozoan

8. Pg. 130 RTW: What is one characteristic of Cnidarians?
Tuesday, April 21st, 2015
Pg. 130 RTW: What is one characteristic of Cnidarians?
Objective:
I will be able to cite examples and explain the adaptations to the marine environment of the invertebrate phyla: Echinodermata.
Agenda:
Echinodermata foldable & notes
Echinodermata group be ready to present tomorrow!
Porifera group send digital documents by today!
Homework:
Fish Food Project

9. Echinoderm Foldable Examples: Class Asteroidea: sea stars
Subclass Ophiuroidea: brittle stars
Class Echinodea: sea urchin and sand dollars
Class Holothuroidea: sea cucumbers
Class Crinoidea: feather stars, sea lilies

10. Echinoderm Foldable General Characteristics:
(Most) Have a water vascular system for movement.
Tube feet for attachment & locomotion
One-way digestion : separate mouth and anus
Skin covered in bumps
External fertilization
Some have the ability to regenerate

11. Echinoderm Foldable Diagrams: Draw an example of each of the classes.
Reproduction: Sexual and fertilization happens externally.

12. Echinoderms
Phylum Echinodermata

13. Include sea stars, sea urchins, sea cucumbers

14. Have radial symmetry based on 5 parts (similar parts surrounding central axis) Planktonic larvae has bilateral symmetry
Considered to have oral/aboral sides, NOT dorsal/ventral

15. Body Structure Have a water vascular system-water filled canals
Tube feet-muscular extensions of these canals usually end in suckers used for attachment & locomotion

16. Ampullae-muscular sacs that sometimes fill tube feet with water
Madreporite-connects vascular system to outside on aboral (top) surface
Also has gonads & digestive system
No heart, brain or eyes

17. Complete digestive tract-stomach, digestive gland & anus
Endoskeleton-covered by a thin layer of tissue
Surface covered with bumps & spines giving them their name-”spiny skinned” (echinodermata)

18. Five classes 1)sea stars 2)brittle stars Class: Asteroidea
Subclass:Ophiuroidea

19. 3)sea urchins & sand dollars Class: Echinoidea
4)sea cucumbers
Class: Holothuroidea
3)sea urchins & sand dollars
Class: Echinoidea

20. 5)feather stars & sea lilies
Crinoidea

21. Sea stars (starfish) 5 arms to 50 Most are
predatory- bivalves, snails,
barnacle, etc.

22. Sunflower Star

23. Cushion Star

24. Brittle Stars Arms very long & flexible -tube feet lack suckers
Eat particles of
organic matter
passed from feet to mouth
More species than
any other group of
echinoderms

25. Basket Star (Brittle Star)

26. Brittle Stars

27. Sea Urchins & Sand Dollars
Filter feed on drifting plant/animals
Deposit feeders
that live on bottoms
using tube feet
lined with mucus to
pick up particles

28. Sea Urchins

29. Sand Dollars

30. Sea Cucumbers Wormlike, lack spines Tube feet around mouth reach
out and pick up
organic material
Escapes by
ejecting digestive
system distracting
predators

31. http://www. youtube. com/watch
Sea Cucumber

32. Feather stars & Sea lilies
5 to 200 arms
due to the
branching
Mucus helps
in catching food
Some attach to
bottom, some crawl
on surfaces in
shallow to deep water

33. Sea Lilies (with Stalks)
Feather
Stars (no
Stalks
Sea Lilies (with Stalks)

34. Biology Sexes are separate in most echinoderms External fertilization
Spawning occurs at once to increase survival

35. Echinoderms can use regeneration to replace missing parts
In some sea stars a severed arm can grow into a complete individual

36. Wednesday, April 22nd, 2015
No RTW (HAPPY EARTH DAY!): Echinodermata group be ready to present when the bell rings!
Objective:
I will be able to cite examples and explain the adaptations to the marine environment of the invertebrate phyla: Echinodermata.
Agenda:
Echinodermata group’s presentation!
Homework:
Fish Food Project

37. Pg. 130 RTW: What is one thing you learned about echinodermata?
Thursday, April 23rd , 2015
Pg. 130 RTW: What is one thing you learned about echinodermata?
Objective:
I will be able to cite examples and explain the adaptations to the marine environment of the invertebrate phyla: Porifera.
Agenda:
Porifera Foldable & Notes
Porifera/Annelida group be ready to present tomorrow!
Homework:
Fish Food Project

38. Porifera Foldable Information
Examples:
Variety of shapes, colors and sizes
Oldest known animal fossils
General Characteristics:
Sessile
Filter feeders
Lack nervous system and organs
Wide variety of habitats: fresh, salt, cold or warm water.

39. Porifera Foldable Diagram and Label:
Reproduction: Sexual and Asexual (including self fertilization)

40. Sponges
phylum Porifera

42. Sponges are one of the oldest known animal fossils
Variety of colors & shapes
Lack nervous system & organs

43. Feeding & Diet
Sessile
Sponges receive food & oxygen by water passing through its pores
The sponge can control the amount of water by constricting or dilating its pores
Bacteria is filtered from the water for food

44. A non-toxic yellow dye has been squirted around the base of a purple tube sponge in the Caribbean.
The dye is pumped out through the osculum at the top of the sponge.

45. Ostia- small pores where water/food enters the sponge
Osculum- Large hole where water & waste exits
Collar cells- traps, ingests & digests food
Amebocytes- transport to cells
Because the cells of the sponge are in direct contact with the water gas exchange occurs across cell membrane as the water flow through the sponge. In O2 - Out CO2

46. Flagella-beat water causing it to flow in & out of sponge
                                                                                                                                                                                                                                                                                                
Flagella-beat water causing it to flow in & out of sponge
Amebocytes- helps in digestion

47. Sexual Reproduction Sponges may be male or female or have both organs
By releasing egg/sperm at different times it inhibits self fertilization
Adult sponges release sperm into water to be taken up by sponges for fertilization

48. Spawning
Sponge

49. New sponges may develop if a piece of the sponge breaks off- Regeneration (Asexual)
1938- Key West
Sponge Capital Of the World

50. In the 1900’s thousands were employed to harvest the bath sponge for commercial use
Now synthetic sponges have replaced natural sponges
Sponges are found in a variety of habitats
Fresh/salt water
Cold/tropical waters
May be composed of hard calcium carbonate or silica
Or spongin, elastic framework of protein fibers

51. Marine Worms
Phylum: Annelida

52. Characteristics of Marine Worms
Have nephridia (water regulating tubule) as part of the excretory system, a heart, and sometimes jaws.
They show metamerism (division of body in repeating blocks or segments)

53. Special Attributes More than 15,000 species!
Most of the marine worms are in the Class Polychaeta including:
Tubeworms
Bristleworms
Spongeworms
Fireworms

54. Friday, April 24th , 2015
NO RTW: Porifera/Annelida group be ready to present when the bell rings!
Objective:
I will be able to cite examples and explain the adaptations to the marine environment of the invertebrate phyla: Porifera.
Agenda:
Porifera/Annelida group’s presentation
Arthropoda group send digital documents by today!
Homework:
Fish Food Project