1. Which of the following structures would you study to learn more about the Pax6 gene in an organism?
Select one:
a. the overall body shape
b. the eye
c. the pelvic fin
d. the vertebrae
e. the limbs
2. During which geologic period was the majority of today's coal produced?
Select one:
a. Devonian
b. Cretaceous
c. Jurassic
d. Silurian
e. Carboniferous
3. What gives a flower its general attractiveness?
Select one:
a. petals
b. stamens
c. carpels
d. anthers
e. sepals
4. When did fish first appear in the fossil record?
Select one:
a. Devonian
b. Mesozoic
c. Jurassic
d. Ordovician
e. Tertiary
5. All of the following are connective tissue types except _ (blank) _.
Select one:
a. Adipose
b. Blood
c. Bone
d. Cuboidal
e. Cartilage
6. What is the concentration of sense organs and nervous tissue at the anterior end of the body, forming a head and brain?
Select one:
a. bilateral symmetry
b. segmentation
c. homology
d. cephalization
e. eucoelomate
7. Which of the following organisms use their exoskeleton to protect their gills?
Select one:
a. Earthworms
b. Shrimp
c. Bony fish
d. Birds
e. Hydras
8. Which characteristic is not measured in taxonomic classification?
Select one:
a. extinction
b. structure
c. reproduction
d. behavior
e. molecular comparison