Why are nonvertebrates important?

Why are nonvertebrates important? Chordates

Tells us what is the connection between invertebrates and vertebrates is

Nonvertebrates

Tunicates

-1,250 species

Lancelets

-23 species

What are some characteristic features of nonvertebrates?

What function do these characteristic features serve?

What adaptations do nonvertebrates have compared to animals before them?

- They have notochords  

- They can have gills

- Provides the animal with structured development

- They can increase breathing efficiency

-They have notochords

a.

b.

Station #1: Characteristics Common to All Chordates

Station #2: Amniotic Egg

a.

b. a.

Station #3: Regulation of body temperature

Station #4: Closed Circulatory Systems

a.

b.