UNCW BIO 202 FINAL TEST #4
What evidence suggests that Echinoderms evolved radial symmetry secondarily? -
Answers - Echinoderm larvae demonstrate bilateral symmetry
Pedicellariae are pincer-like extensions located on the surface of echinoderms and
function to: - Answers - remove debris, prevent other organisms from settling on the
animal, protect the dermal branchiae
A mutation in the gene that is responsible for the development of the clitellum would
result in impairment of which of the following functions? - Answers - Reproduction in
oligochaetes
Which animal, possessing all five chordate traits in addition to a well-developed head, is
thought to represent a good model of what the common vertebrate ancestor probably
looked like? - Answers - Tunicate larva
Which of the following groups is thought to have given rise to the tetrapods? - Answers -
Lobe-finned fishes
Although they are often viewed by people as being generally similar, amphibians and
reptiles are actually quite different. Which of the following represents a difference
between the groups? - Answers - More powerful jaws in reptiles, larger and better
developed lungs in reptiles, think skin allowing cutaneous respiration by amphibians,
reptile limbs designed for better support
Why did the possession of lungs enable lungfish to survive the Devonian period? -
Answers - Freshwater environments were unstable and had little dissolved oxygen
A young shark that is retained in the maternal uterus until birth and receives nutrition
only from the yolk sac would represent an example of what type of reproductive
development? - Answers - Ovoviviparity
You and your friend are snorkeling in the Bahamas when you come across a brightly
colored vase shaped organism. Your friend swears up and down that it is sponge, but
given that he only attended the first two lectures of BIO202, and you stuck it out until the
end, you know he is wrong because: - Answers - The animal possesses pharyngeal gill
slits
The hinged jaw seen in the jawed vertebrates developed from the_________that help
support the_________________tissues - Answers - Pharyngeal arches; respiratory
What evidence suggests that Echinoderms evolved radial symmetry secondarily? -
Answers - Echinoderm larvae demonstrate bilateral symmetry
Pedicellariae are pincer-like extensions located on the surface of echinoderms and
function to: - Answers - remove debris, prevent other organisms from settling on the
animal, protect the dermal branchiae
A mutation in the gene that is responsible for the development of the clitellum would
result in impairment of which of the following functions? - Answers - Reproduction in
oligochaetes
Which animal, possessing all five chordate traits in addition to a well-developed head, is
thought to represent a good model of what the common vertebrate ancestor probably
looked like? - Answers - Tunicate larva
Which of the following groups is thought to have given rise to the tetrapods? - Answers -
Lobe-finned fishes
Although they are often viewed by people as being generally similar, amphibians and
reptiles are actually quite different. Which of the following represents a difference
between the groups? - Answers - More powerful jaws in reptiles, larger and better
developed lungs in reptiles, think skin allowing cutaneous respiration by amphibians,
reptile limbs designed for better support
Why did the possession of lungs enable lungfish to survive the Devonian period? -
Answers - Freshwater environments were unstable and had little dissolved oxygen
A young shark that is retained in the maternal uterus until birth and receives nutrition
only from the yolk sac would represent an example of what type of reproductive
development? - Answers - Ovoviviparity
You and your friend are snorkeling in the Bahamas when you come across a brightly
colored vase shaped organism. Your friend swears up and down that it is sponge, but
given that he only attended the first two lectures of BIO202, and you stuck it out until the
end, you know he is wrong because: - Answers - The animal possesses pharyngeal gill
slits
The hinged jaw seen in the jawed vertebrates developed from the_________that help
support the_________________tissues - Answers - Pharyngeal arches; respiratory
