What does the Latin word Porifera mean?

(a)  

Sponges are primarily (a)   (marine or freshwater) animals

What is the type of symmetry a sponge has?

(a)  

Sponges have a cell-based level of organization. This means they have no true (a)   or organs

Where would you find the pinacocytes in a sponge?

(a)  

Which specialized sponge cell is a pathway for water movement into the sponge?

(a)  

The prefix meso- means (a)   .

The middle jellylike layer between sponge cells is called the (a)   .

The other name for this cell type is amoeboid cells.

(a)  

What is the other name for the choanocyte cells?

(a)  

Which skeletal element in sponges is made of calcium carbonate or silica?

(a)  

Which sponge skeletal element is made of collagen?

(a)  

What word literally means "one house" and is the term we use for an individual body that houses both male and female sexual organs?

(a)  

Which sponge class is known as calcareous sponges?

(a)  

Which sponge class is made of silica spicules and known as glass sponges?

(a)  

Which sponge class is known for its brilliant colors and is where we get commercial sponges?

(a)  

Which class of sponges can be found as deep as 1000 meters?

(a)  

What is the main type of symmetry seen in cnidarians?

(a)  

What is the gelatinous layer found between the epidermis and gastrodermis in cnidarians?

(a)  

How are the nervous cells arranged in cnidarians?

(a)  

What word means immobile, or situated in one place?

(a)  

The skeleton type found in cnidarians is called (a)   skeleton.

What is the larval stage produced by the medusa in cnidarians called?

(a)  

Which class of cnidarians is mostly colonial?

(a)  

In which class of cnidaria would we find this animal?

(a)  

In which class of cnidaria would we find this animal?

(a)  

In which class of cnidaria would we find this animal?

(a)  

In which class of cnidaria would we find this animal?

(a)  

In which class of cnidaria would we find this animal?

(a)  

Which class of cnidarians is found in colder water?

(a)  

Which class of cnidarians is called "true jellyfish?"

(a)  

The sensory structures found in class scyphozoa are called (a)   .

Which class of cnidarians is also called "box jellies?"

(a)  

Which class of cnidarians have super dangerous nematocysts and can be fatal to humans?

(a)  

Which class of cnidarians do not have a medusa phase?

(a)  

Which class of cnidarians have a symbiotic relationship with algae?

(a)  

What phylum of animals is also referred to as comb jellies?

(a)  

What type of symmetry is present in Phylum Ctenophora?

(a)  

When an animal has two cell layers, it is called (a)   (diploblastic or triploblastic)