Phylum Cnidaria - PowerPoint PPT Presentation

1 / 24
About This Presentation
Title:

Phylum Cnidaria

Description:

Phylum Cnidaria Phylum Cnidaria Characteristics: Aquatic (most marine) - Radial Symmetry Have true tissues but not organs Mostly carnivorous Tentacles with stinging ... – PowerPoint PPT presentation

Number of Views:320
Avg rating:3.0/5.0
Slides: 25
Provided by: cobb5
Category:
Tags: cnidaria | phylum

less

Transcript and Presenter's Notes

Title: Phylum Cnidaria


1
Phylum Cnidaria
2
Phylum Cnidaria
  • Characteristics
  • Aquatic (most marine)
  • - Radial Symmetry
  • Have true tissues but not organs
  • Mostly carnivorous
  • Tentacles with stinging nematocysts

3
Cnidarian Body The Polyp
Mouth
Tentacle
Epidermis
Column
Mesoglea
GastrovascularCavity
Gastroderm
Foot
4
Cnidarian Body The Medusa
GastrovascularCavity
Epidermis
Mesoglea
Tentacle
Gastroderm
Mouth
5
Cnidarian WeaponryThe Nematocyst
Trigger
Filament
Nuclei
ArmedNematocyst
BodyWall
SpentNematocyst
6
Gastrovascular Cavity

7
Hydra Eating a Daphnia
8
(No Transcript)
9
Nerve Net
10
Hydrostatic Skeleton
alternating
Circular Muscles
Longitudinal Muscles
Hydrostatic Skeleton
longitudinal
circular
11
Class Hydrozoa
  • - Hydra budding

12
Class Hydrozoa
Obelia hydroid colony with feeding (tentacles)
13
Class Hydrozoa
  • - Portuguese man-of-war

14
Class Scyphozoa
  • - Moon Jelly
  • - medusa form

15
Class Scyphozoa
  • Sea Nettles

16
Class Scyphozoa
  • - Sea Wasp or Box Jellyfish

17
Class Anthozoa
  • - sea anemone

18
Class Anthozoa
  • - sea anemone

19
Class Anthozoa
  • - sea anemone

20
Class Anthozoa
  • - reef coral

21
Class Anthozoa
  • - sea pen

22
Class Anthozoa
  • - sea fan

23
Observing a Hydra
  • Obtain a prepared slide of Hydra
  • Look at the Hydra under the microscope
  • Draw the hydra in the drawing section of the
    Cnidarian lab sheet underneath the Portugese man
    of war or on the back of the lab sheet

24
Portuguese Man of War
  • Observe the following footage of a Portuguese man
    of war. On your lab sheet compare them to the
    true jellyfish.
  • http//www.youtube.com/watch?vRBdCpcapB0s
Write a Comment
User Comments (0)
About PowerShow.com