Ch. 32 Part 2 ?

Question 1

Animal

Answer 1

1) Multicellular eukaryotes with an extensive extracellular matrix: organic mesh/ a scaffold to hold cells together
- lack cell walls

2) Heterotroph
3) Move under their own power
4) Nervous tissue and muscle tissue
- Neurons
- (except sponges) Porifera

Question 2

Phylogeny

Answer 2

tree is a work in process

- Continually changing

Question 3

Classical Systematics

Answer 3

(based on) morphology

phenotype (what genes express)

Question 4

Molecular Systematics

Answer 4

Protein
DNA
RNA
==> sequences

a) Early-gene- level data
b) Genomic Data

Question 5

3 Major Animal Groups

Answer 5

1) Non-bilateria
2) Protestomia
3) Deuterostomia

Question 6

Non-Bilateria

Answer 6

Radial Symmetry or

Asymmetry

Question 7

Protestomia

Answer 7

Lophophorates

Ecdysozoans