Unit #7 Quiz #3

Grade:«grade»

Subject:Aquatic Science

Date:«date»

1 Which of the following can be considered an analogous structure:

A The wings of butterfly & the wings of bats

B The pectoral fins of ray-finned fish and the pectoral fins of cetaceans (dolphins/whales)

C The hind legs of dogs and the hind legs of horses

D The pectoral fin of a walrus & the pectoral fin of a dolphin

2 The Triassic period followed the Permian period. The Triassic is characterized by the largest _________ event in recorded history.

A Extinction

B Adaptive radiation

C Total population

D Allopatric speciation

3 The fossils of Tiktaalik roseae, a fish-like animal that crawled out of the water, is the transitional species between fish and modern tetrapods. This species existed in the __________ period.

A Cambrian

B Silurian

C Devonian

D Permian

4 A species of fish living in a coral reef changes the color of its scales (over generations) from yellow to blue. This is an example of

A microevolution

B macroevolution

C co-evolution

D homologous structures

5 Which of the following is the shortest geological time period:

A Period

B Epoch

C Era

D Eon

6 The bone structure of a bottle-nosed dolphin pectoral fin and the bone structure of the pectoral fin of an Orca (whale) are very similar. This is an example of

A Co-evolution

B Homologous structures

C Analogous structures

D Microevolution

7 Which of the following is the longest geological time period:

A Period

B Epoch

C Era

D Eon

8 All of the following are adaptations for moving from an aquatic environment to a terrestrial environment, EXCEPT:

A eyes moving from the side of the skull to the anterior portion of the skull

B fins thickening into muscular leg-like limbs

C the caudal fin/tail disappearing

D bones become more dense to support the full weight on the organisms

9 Which of the following organisms would likely be found during the Cambrian Period:

A Megalodon (ancient shark)

B Lamprey

C Sea urchin

D Octopus

10 When considering terrestrial versus aquatic feeding styles, all of the following are true, EXCEPT:

A The pectoral girdle of terrestrial organisms is reduced

B The skull of an ancient aquatic organism is/was less flexible than their terrestrial counterparts

C Terrestrial organisms developed my stronger and sharper teeth for tearing the flesh of prey

D The snout & jaws become elongated and the articulation of the jaw improves

11 Homo sapiens have been on the planet for approximately:

A 5,000 years

B 106,000 years

C 1.8 million years

D 200 million years

12 During which period did hominids first evolve

A Tertiary

B Quaternary

C Jurassic

D Cambrian

13 True or False: The swimming motion of a fish and the walking motion of a tetrapod are very similar.

True

False

14 Using the graph, which of the following fossils is the most contemporary:

A Acanthostega

B Tiktaalik

C Panderichthys

D Eusthenopteron

15 All of the following are examples of mammals that have moved back to the water, EXCEPT:

A Cetaceans

B Hippopotamus

C Pinnipeds

D Chondrichthyes