Phylum Cnidaria Hydra jellyfish coral sea anemones Phylum
- Slides: 73
Phylum Cnidaria Hydra, jellyfish, coral, & sea anemones
Phylum Cnidaria Examples? • Sea anemones • Corals • Sea Pen • Sea Fan • Sea Plume • Hydra • Jelly fish • Portuguese Man o’ War • Box Jelly Fish
I. Body Structure A. Polymorphism = more than one body form 1. Polyp 2. Medusa
B. Polyp • Tube with tentacles around the mouth • Sessile Coral polyp
Polyp (sea anemone)
Mythical Hydra
Polyp (Hydra)
Perseus slays the Gorgon Medusa
C. Medusa • Umbrella shape • Tentacles around mouth • Motile, Free-swimming
• Have D. Tentacles nematocysts (stinging cells) • Coiled thread discharges like a harpoon • Contains neurotoxin • Paralyzes prey Discharged nematocyst
Discharged nematocyst
II. Level of Organization A. Tissue B. No organs
III. Symmetry Radial Compass jellyfish
IV. Habitat A. Aquatic 1. Most Marine 2. Few fresh-water
V. Feeding A. Carnivores Lion’s mane eats (predators) another jelly B. Process of feeding 1. Tentacles sting prey with nematocysts 2. Tentacles grab prey 3. Prey pulled into mouth
Process of feeding 4. Prey stuffed into gastro-vascular cavity (GVC)* 5. GVC makes enzymes, extracellular digestion 6. Undigested food back out mouth *incomplete digestive tract (no anus)
Lion’s mane jellyfish eating
VI. Respiration • Via diffusion • Body is two cell layers thick
VII. Internal Transport Via diffusion
VIII. Excretion • Via diffusion
IX. Response A. No cephalization or nervous system B. Nerve net around mouth
IX. Response C. Sensory cells 1. Chemoreceptors (chemicals) 2. Thigmoreceptors (touch) 3. Photoreceptors (light) Ocelli (eyespots) 4. Statocysts (balance)
X. Locomotion A. Medusa motile, free-swimming B. Polyps sessile Exceptions: 1. Hydra tumbles on tentacles 2. Sea anemones glide on pedal disc
XI. Reproduction 1. Asexual budding from polyps or medusae 2. Sexual a. Medusae release sperm & eggs b. Some monoecious, some dioecious c. Larvae free-swimming
XII. Ecological Role A. Predators and prey B. Neurotoxins in medical research C. Coral – jewelry, building, reefs (surfing!) D. Coral reefs - habitat for many -great biodiversity - protect coastline E. Symbiosis with other organisms
Class Anthozoa: Sea Anemones
Sea Anemones (with sea urchins)
Sea Anemones Clown fish with sea anemone
Clown fish & eggs with sea anemone
Clown fish with sea anemone
Giant Sea Anemone
Rosy Sea Anemone
Class Anthozoa: Corals
Brain Coral
Coral
Colt Coral
Elkhorn Coral
Cabbage Coral
Flower Coral
Feather Coral
Gorgonian Fan Coral
Lamellina Coral
Sun Coral
Subergorgia Coral
Soft Coral
Sea Pen
Sea Fan
Sea Plume
Class Hydrozoa: Green Hydra
Hydra
Brown Hydra with buds
Brown Hydra eating
Hydra eating Daphnia • Hydra eats Daphnia
Class Scyphozoa: True Jellyfish Fried egg jelly
Jellyfish
Jellyfish Red-eyed medusa
Jellyfish
Jellyfish
Jellyfish Lion’s mane
Jellyfish Purple lion’s mane
Upside down Jelly fish
Upside down Jelly fish
Sea Nettle
Jelly and diver
Giant Jelly off Coast of Japan
Beached Jelly fish
Jelly fish Humor
Portuguese Man 0’ War (a Hydrozoan), NOT a true jelly fish
Portuguese Man 0’ War Tentacles of Physalia physalis
Portuguese Man o’ War vs. Box Jelly fish
Class Cubozoa: Box Jellyfish
Chironex fleckeri the Box jelly fish
- Hydra and sea anemone
- Filum cnidaria
- Un acidente
- Turritopsis nutricula immortal
- Belongs to which phylum
- Phylum cnidaria classification
- Phylum cnidaria general characteristics
- Kingdom animalia phylum cnidaria
- Cnidaria and ctenophora
- Hydrozoa scyphozoa anthozoa
- General characteristics of cnidaria
- Finger like structure in cnidarians
- Coral reef food chain
- Tiburonia granrojo
- Troy aegean sea
- Sea stack sea arch
- Yellow sea and east china sea
- Marlin symbolism
- Hydra beauty gerät
- Hydra repository alternative
- Digestion hongos
- Micro hydro power
- Rusty duck black powder solvent
- Hydra minerva
- Hydra cross section
- Afourchamberedheart hydra
- Hydra kernel
- Symmetry of a sponge
- Hydra ram forcible entry tool
- Hydra iptv
- Good games
- Hydra tutorial
- Hydra
- Ncrack vs hydra
- What greek monster had nine heads
- Porifera and cnidaria
- Anothozoa
- Simetri tubuh burung
- Central and peripheral nervous system
- Contoh gambar filum coelenterata
- Hydra ocr
- Phylum of polar bear
- Characteristics of a jelly fish
- Clade deuterostomia
- Platyhelminthes examples
- 8 phyla of animal kingdom
- Sea sponge phylum
- Type of phylum
- Jellyfish
- Diplopodes
- Box jellyfish
- Adaptation of jellyfish
- Shelby arbacheski
- Radial symmetry
- Shin kubota jellyfish
- Adaptation of jellyfish
- Jellyfish identification
- Mar menor medusas
- Jellyfish networking data centers randomly
- Jellyfish shoes
- Blue blockers anto
- Hydrostatic movement in coelenterata
- White spotted jellyfish scientific name
- Gmo
- Jellyfish adjectives
- Box jellyfish
- Cladogram cells with flagella symmetry
- Jellyfish no bones
- Plastic bag vs jellyfish
- Four handed box jellyfish
- Trampoline syllables
- Scyphozoa
- Types of symmetry
- Gfp jellyfish