Animal Kingdom

Annelids have ____________ symmetry.  

Which of the following animals has radial symmetry?

An symbiotic relationship in which both organisms benefit is called

What muscular tube carries food between the mouth and stomach?

A parasite is a type of 

Scientists believe that ancient ancestors of all animals were

The Cambrian Explosion resulted in the evolution of the first

Organisms that must obtain nutrients and energy by eating other organisms are:

Aquatic animals that strain floating plants and animals from the water they live in are

All animals have cell walls in their cells

The simplest animals to have body symmetry are

Which type of digestion breaks food into smaller pieces?

Which of the three germ layers in an animal embryo gives rise to muscles & circulatory system?

Some mollusks are detritivores.  Their main source of food comes from

Which chordate characteristics is visible on the outside of an adult cat?

All animals eat to obtain

Which of the following have 2 digestive openings?

According to the fossil record, the Cambrian Explosion occured

A coelom is a body cavity

How many digestive openings does a cnidarian have?