Organisms that drift with ocean currents are known as ___.
What are plankton.
100
Poriferans are sessile. What does this mean.
What is attached to the substrate.
100
Name this body form.
What is a medusa.
100
Corals belong to the Class ___________.
What is Anthozoa.
100
Where on a Cnidarian would nematocysts be found?
What is along the tentacles.
200
Organisms that live on/in bottom are described as ________.
What are benthic/benthos.
200
What do sponges eat and what is their feeding method called?
What is plankton via filter feeding.
200
The type of symmetry displayed by Cnidarians is _______.
What is radial.
200
Box jellies belong to the Class __________.
What is Cubazoa.
200
The most dangerous jelly with a toxin worse than that of a cobra is the ________.
What is the box jelly.
300
What is the term to describe an organism that is planktonic for its entire life?
What is holoplankton
300
Describe the appearance and function of sponge spicules.
What is needlelike structures for support & protection.
300
What are stinging cells called?
What are nematocysts.
300
Sea anemones belong to the Class _____________.
What is Anthozoa.
300
The upside down jelly common in tropical waters is ______.
What is Cassiopea.
400
Eggs and larvae that are part of the planktonic community for only a short time are called ___________.
What are meroplankton
400
The function of choanocytes/collar cells is to ___________.
What is to draw water into the sponge.
400
The jelly-like material between the body layers of a Cnidarian is called __________.
What is mesoglea.
400
The Class of the "true jellies" is ______________.
What is Scyphozoa.
400
The largest jelly, with an 8 foot bell, is the _________.
What is the Arctic Lion's Mane.
500
Organisms that move independently of ocean currents are called ___________.
What are nekton.
500
Describe the water depth and substrate conditions where most Poriferans are found.
A. shallow water and soft bottom
B. shallow water and hard bottom
C. deep water and soft bottom
D. deep water and hard bottom
What is shallow water with a hard bottom.
500
What are zooxanthelllae?
What are symbiotic algae that live in coral polyps (and Cassiopea)
500
The Portuguese-Man-Of-War belongs to the class _______.
What is Hydrozoa.
500
Describe how sponges can reproduce both sexually and asexually.
What is sponges can release sperm & eggs (sexual) or bud off new sponges (asexual).