Planes of Dissections

Which of the following applies to a sponge?

Which organism probably has the most muscular control?

Which organism has the most complex systems developed from coelom?

Which of the following is not a characteristic of the arthropods?

Which of these organisms has bilateral symmetry but no endoskeleton?

Which of the following is found only in animals?

A group of similar cells organized into a functional unit is called

Many animals have a head that's located at the ____ end of their body.

Cephalization is

Modern organisms that are thought to resemble the earliest animals are

The embryo layer that forms the skin and nervous tissue is the 

Which animal has bilateral symmetry?

A characteristic shared by all chordates at some stage of their development is

Which organism is asymmetrical?

Which of the following displays radial symmetry?

Animals with bilateral symmetry find food, mates and avoid predators more efficiently because

The animal's digestive tract forms from the

If the gastrula develops into a mouth, the organism will be a 

All the members of the kingdom Animalia

What type of symmetry does a penny have?

In sponges, digestion occurs

Which of the following is found in vertebrates but not in invertebrates?

Animals probably evolved from

During which of the following stages of animal development are the germ layers formed?

The acoelomates' body type is exemplified by

Which of the following is not a vertebrae adaptation to life on land?

Many animals have a tail that is located at the ____ of their body.

Specialized cells

Symmetrical phyla include all of the following except

At a stage of development, all chordates have a flexible rod of tissue along their back called