Deuterostomes

Deuterstomes develop ____ first, while protosomes develop ____ first

anus; mouth

all deuterstomes produce embryos what undergo gastrulation that means…

first pore (blastopore) becomes the anus and the second pore becomes the mouth

cephalochordates are also known as

amphioxus

what organism is this?

amphioxus or cephalochordates

T/F Cephalochordates posses a head

False, they do not produce a true head

Whats a key factor of a tunicate?

They lost segmentation as an adult

T/F The following image points to two structures. The structure which is being given support (ie. the inner structure) is the notochord. 

False- while notochord gives support it is not the inner structure

The notochord develops into…

structural support

The nerve cord develops into …

the brain and spine

Adult tunicates only have which of the following features associated with Deuterostomes?

Pharangyeal slits

Echinoderms have bilateral or radial symmetry?

Radial symmetry