Hydroids Hydroids are small colonial animals that are often confused as plants.

Slides:



Advertisements
Similar presentations
All contain nematocysts-stinging structures
Advertisements

Jellyfishes For those that have spent any time during the summer on the Chesapeake Bay, they have probably met the sea nettle that can be such a pain!
The term plankton is applied to those organisms that are the drifters of the sea.
Jellyfish and polyps. Main characteristics of Jellyfish and polyps 1) They are invertebrates. 2) They dont have brain. 3) They have special body systems.
Radiate Animals C h a p t e r 1 3.
Cnidarians.
“Lower” Invertebrates I: Sponges & Radiata
ANIMAL KINGDOM PHYLUM CNIDARIA Page 76 ABBOTTSCOLLEGE.
JELLYFISH By: Mayra & Allen. Jellyfish are members of the phylum Cnidaria, a structurally simple marine group of both fixed and mobile animals: sea anemones,
Chesapeake Bay: An Introduction to an Ecosystem Section 4: Communities II-1E3: Plankton View this quiz as a slide show from “the beginning” During the.
 Have tentacles with nematocysts near mouth.  Nematocysts are stinging cells  Cnidaria is Greek for “stinging cell”  Examples: jellyfish, sea anemone,
Amy, Irene, Nicolien. Radial symmetry – means one half of the animal mirrors the other half. Body plan – Sac-like structure, has an internal cavity.
PowerPoint By: Chiamara Trifold Board By: Alyssa.
Jelly Fish By: Mrs. Patterson.
Phylum Cnidaria Kingdom Animalia Phylum Cnidaria Classes:HydrozoaScyphozoaAnthozoaCubozoa Roxanna Shadmehr Holly Hoang Olivia Miller.
MARE/Rocky Seashore/Seashore Charades/University of California©2002
Sponges Chapter 9 Section3.
Corals, Anemones, Sea Fans, and Jellyfish - Aquatic Stinging Nettles
35-2 Cnidaria and Ctenophora
Phylum Cnidaria or Coelenterata
Phylum Cnidaria (Coelenterata) The “simplest” of the complex animals...
Sponges and Cnidarians Animals unit.  Mostly live in oceans, but also in freshwater rivers and lakes  Adult sponges are attached to hard surfaces underwater.
Sea Anemones Chapter 7.2. Sea Anemone Traits Although sea anemones look like flowers, they are predatory animals. These invertebrates have no skeleton.
Sponges and Cnidarians
11. Sea Anemones and Coral Animals
Phylum Cnidaria A. 2 body forms 1. Medusa: jellyfish a. motile
What is going on in this picture? (Turn and talk.)
Phylum Cnidaria.
Invertebrates: Sponges and Cnidarians. Journal 2 You are an expert taxonomist who has been given an unknown specimen to identify. You suspect that it.
Phylum Cnidaria.
Have stinging cells (a must to be a cnidarian) to capture prey Have radial symmetry –Central point Soft Corals, Hard Corals, Sea Fans, Hydra, Jellyfish,
Jellyfish, Corals, and Sea Anemones
Features of a Coral Polyp Grade 3 Unit 3 Lesson 2.
Phylum Cnidaria stinging-celled animals Jellyfishes, corals, anemones Radial symmetry Two tissue layers with inner mesoglea Primitive nerve net but no.
Phylum Cnidaria Pages CNIDARIANS- “STINGING CELLS” SEA JELLIES SEA ANEMONES CORALS HYDRA.
CNIDARIA. Characteristics  Class Scyphozoa- Jellyfish- medusa form  Class Antozoa- corals, sea anemones- polyp form  Class Hydrozoa- Hydras  Tentacles.
Hydroids Kelly Cohen. A Colonial Animal Hydrozoa class Hydrozoa class “small predatory animals” “small predatory animals” Live in the intertidal & subtidal.
Cnidaria. General Information  Eumetazoans  (true animals) all animals other than sponges-have both tissues and symmetry  When eumetazoans develop-they.
Corals, Anemones, Sea Fans, and Jellies Phylum Cnidaria The Stingers Box Jellyfish - Irukandji - YouTube.
Plankton Filamentous Stonewort Plankton algae Microscopic Floating Colors the water when present in large numbers (green, brown, yellow or red) Not flowering.
The Marine Biome Marine Invertebrates: Cnidaria. Sea Anemones Coral Jellyfish.
Cnidarians Part Deux HW:. Reproduction  Most cnidarians have two forms:  Polyp – tube shaped body with a mouth surrounded by tentacles  Medusa – umbrella.
The Marine Biome Cnidaria.
INVERTEBRATE PROJECT BY SEAN CRIMMINS, AND, TANNER BROOKS.
Invertebrates: Sponges and Cnidarians. Sponges: Phylum Porifera means- pore bearer Simplest of all animals Assymetrical animals that live in shallow waters.
Some Happy Sea Creatures By Margaret Barnett Mary Jacobs Hanuel Jo.
End Show Slide 1 of 47 Copyright Pearson Prentice Hall Biology.
Jeopardy $100 $200 $300 $400 $500 $400 $300 $200 $100 $500 $400 $300 $200 $100 $500 $400 $300 $200 $100 $500 $400 $300 $200 $100 Final Jeopardy Final.
Trophic Levels Producers, Consumers, and Decomposers.
Sea Anemones, Jellyfish, & Corals
Cnidarians Mr. Walker Invertebrate Zoology Section 26.2 Summary – pages There are four classes of cnidarians: Diversity of Cnidarians Hydrozoa,
Cnidarians Animals with Stinging Tentacles Classes
Lesson 10.2: Cnidarians (Jellies & Corals)
Phylum: Cnidaria (Coelenterata, Ctenophora)
Plant, Animal or Rock? Coral must catch and eat other organisms for food Corals can eat food and release waste Corals have digestive tissue Corals cannot.
By Natalie Lunis Presented by Meilien Blouin-Choy
Jellies (Jellyfish) 01/17/13
Phylum Cnidaria (jellyfish, coral and other stingers…)
Producers, Consumers, and Decomposers
01/16/13 Cnidarians are a large group of animals that all have things in common. They include jellies, corals and anemones. Cnidaria
Jellyfish, Sea anemones and Coral
Phylum Cnidaria Chapter 26.
Phylum Cnidaria.
Jellyfish Corals Anemones *Phylum: Cnidarians
Jellyfish Aurelia aurita (moonjelly) By Jessie Justice.
Phylum Cnidaria Chapter 26.
Plant Adaptation to the Marine Environment
Characteristics of Phylum Cnidaria
Cnidarians (phylum Cnidaria)
Cnidarians Part Deux HW:.
Presentation transcript:

Hydroids Hydroids are small colonial animals that are often confused as plants.

Hydroids They are sessile organisms that grow as bushy growths on pilings, rocks and other hard surfaces in the Chesapeake Bay.

Hydroids Hydroids are related to the jellyfish and have stinging tentacles, which they use to stun their prey before digesting it.

Hydroids Hydroids are carnivores, feeding on small plankton which drift by in the currents.

Hydroids The individual hydroid animals are composed of a stem-like base and a flower-like tip that contains the central mouth and tentacles.

Hydroids Colonies are large and be found over 30 cm in length. The branches usually appear to be a muddy brown color.

Hydroids Large colonies can often be found along the shore of the Chesapeake Bay in the spring.

Hydroids Hydroids can be a major problem for crabbers and other watermen since the hydroids often foul crab pots and nets.