animal kingdom

2. The large opening at the top of the sponge is called the

• Osculum

• Spicule

• Porocyte

• Spongocoel

3. Which of the following is NOT what a sponge skeleton can be made of?

• Spongin

• Cnidocyst

• Silica

• Spicule

5. Sponges feed by filtering _____________ out of the water column as it passes through the spongocoel.

• small fish

• oxygen

• macro algae

• plankton

7. What are stinging organelles with a coiled thread found in the tentacles which are used to capture prey or defend against predators?

• cnidocytes

• nematocytes

• choanocytes

• pinacocytes

This picture of a sea anemone would represent which form of a Cnidarian?

• Medusa

• Larval

• Polyp

• Free-swimming

Cnidarians were the first animals to develop _____________ cells so they could react to their environment.

• epidermis

• nerve

• collar

• gastrodermis

Platyhelminthes are best described as

• Flatworms,triploblastic,acoelomate animals

• Flatworms,diploblastic,acoelomate animals

• Flatworms,triploblastic,Pseudocoelomates

• Flatworms,triploblastic,coelomates

Some of the most common vertebrates are _____, birds, reptiles, and fish. 

• spiders
• squid
• mammals
• starfish

Reptiles, amphibians, _____, fish, and insects are examples of cold blooded animals.

• birds
• spiders
• cats
• dogs

Which kingdom has animals with scales?

• mammals
• birds
• amphibians
• fish