Phylum
PORIFERA
PORIFERA
The only animals in Porifera are called?
Sponges!
Often called Star Fish, what is the correct name for them?
Sea Stars
This feature body structure is unique to them and found on almost all molluscs.
The Mantle
Athropods can be distinguished by their segmented body, and their outer cuticle made of Chitin often called an ______.
Exoskeleton
Cnidarians have two basic body forms: Swimming medusae and sessile polyps. ____ would be an example of a Cnidarian with the swimming medusae body form.
Jellyfish
What type of symmetry do members of Porifera have?
Asymmetry AKA no symmetry
Echinodermata is the only phylum where all its members live where?
In the ocean
Name two of the three animals that are the main members of class cephalopoda?
Nautilus, Octopus, and Squid
All Arthropods have _____ symmetry.
Bilateral
The sessile class, Anthozoa consisits of these two main types of animals.
Corals and Sea Anemones
How do MOST sponges get their nutrition.
Filtering feeding. They take water in through their pores and expell it through their central main opening.
What type of body symmetry do echinoderms have?
Radial
This product from Class Bivalvia has long been harvested by humans for jewlery.
Pearls
Though there are many Subphyla and Classes of marine Arthropods most commonly known are the ______.
Crustaceans. Sometimes jokingly called "Sea Bugs"
All Cnidarians have cnidocysts. Specialized cells that _____ and help them capture their prey.
Sting
Sponges do not move. Meaning they are_____ organisms.
Sessile
This system is responsible for gas exchanges, feeding, sensory perception, and moving.
The water vascular system
Molluscs are the largest marine phylum, comprising __% of all named marine organisms.
23%
Crustaceans are a crucial part of the marine food web. Which tiny crustacean is the primary diet for the largest animals on Earth?
Krill
Due to their regenerative properties, most Cnidarians are beleived to be able to live forever, unless an outside force acts on them This outside force could be ____.
Predation or being hit by motor propellors, or lack of succesfull feeding, or being blown ashore, etc.
The sponge harvesting industry in this Florida town was the leading marine industry in Florida in the early 1900s.
Tarpon Springs, FL
Name 6 of the 7 types of Echinoderms
Sea Stars, Brittle Stars, Sea Urchins, Sand Dollars, Sea Cucumbers, Feather Stars, and Sea Lilies
This class of shelled organisms comprise 80% of all named Molluscs and have thousands of species found in the ocean, in freshwater, and on land.
Gastropods or Snails
Not apart of Class Crustacea, this animal is ancient! The closest land relatives are arachnids (spiders) and they are vital to the biomedical industry.
Horseshoe crabs
Coral reefs are some of the most notable Cnidarians in the ocean. Their colonies create huge habitats that act as a nursury and/or home for 25% of all marine species. Their value to the ocean ecosystem is immensive. Name one threat that coral reefs are facing today.
Warming waters, coral bleaching, algae growth from excess nutrients, chemical pollution from sunscreen, chemical pollution from oil spills, etc.