Echinoderm/Arthropods
What does "echinoderm" literally mean?
spiny skin
Where are mollusks' organs located?
Mollusk organs are located in their visceral hump
What are two types of coral?
Hard and soft coral
At what depth can sponges live in the ocean?
Sponges can live at any depth of the ocean.
What percent of animals are invertebrates?
5%
What is the name of the group of marine arthropods?
Crustaceans
What does the word mollusk mean?
Mollusk means soft
What is soft coral made of and what is hard coral made of?
Soft coral is made of protein and hard coral is made of calcium carbonate (limestone)
What do worms lack?
Worms lack limbs
What is brackish water?
A combination of fresh and salt water
What invertebrate group sheds their exoskeleton when they outgrow them?
Arthropods
What happens if a mollusk loses a body part?
It can regenerate the body part
What organs do Cnidarians lack that vertebrates need to live?
Brain and heart
Where do tubeworms live?
Tubeworms live by hydrothermal vents in the bottom of the ocean
What is a tidal pool?
A tidal pool is an area where water is left behind in depressions on the shore after high tide has gone out.
Name two examples of crustaceans.
Shrimp, lobster, crab, krill, barnacles,
What does celphalopoda literally mean?
Head-footed
What type of symmetry can cnidarians have?
Bilateral, radial, or none at all
What two things do sponges need to live?
Water and one cell
What is the name of the close, long-term biological interaction between two different species?
Symbiosis
Name three examples of echinoderms
Starfish, sand dollar, sea stars, sea urchins, sea cucumbers, brittle stars
Name the three parts of a mollusk.
Head, muscular feet, and visceral hump
Name two examples of cnidarians.
Anemone, jellyfish, coral
Why are sponges not considered plants?
Sponges do not photosynthesize and they do not have cell walls
Name three types of symbiotic relationships
Mutualism, commensalism, and parasitism